1) the sum of four consecutive numbers is 22. what are the numbers?
2) a woman is 3 times as old as her son. in 12 years time, the sum of their ages will be 76. how old was the woman when her son was born?
3) the sum of three consecutive odd numbers is 57, find the numbers
thanks for the help guys.
appreciate it.
cheers!
Latest posts made by iamproudparents
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RE: O-Level Additional Math
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RE: Q&A - PSLE Math
1) amanda spent some money on a frying pan and 2/5 of the remaining money on a cooking pot. she then had $39.90 left. the cost of the cooking pot was 1/2 of the cost of the frying pan. what was the cost of the frying pan?
2) kelvin always saves 25% of his income. his income is increased by 15%, thus his savings increases by $141. what is his new income?
3) a baker baked some cakes and brownies. he baked twice as many cakes as brownies. he packed them in boxes of 1 cake and 3 brownies. after packing all the brownies, he still had 75 cakes left. how many cakes and brownies did the backer bake altogether?
4) 1/4 of the beads in a box were white and the rest were black. when 114 white and black beads were added to the box, the number of white beads were doubled and the number of black beads increased by 30%. how many white and black beads were there in the box altogether at first?
5) lina had 150 more books than may at first. lina gave 60% of her books to may. may then gave 20% of her books back to lina. in the end, may had 162 more books than lina. how many books did may have at first?
thanks to anybody who helps. -
RE: Q&A - PSLE Math
1) amanda spent some money on a frying pan and 2/5 of the remaining money on a cooking pot. she then had $39.90 left. the cost of the cooking pot was 1/2 of the cost of the frying pan. what was the cost of the frying pan?
2) kelvin always saves 25% of his income. his income is increased by 15%, thus his savings increases by $141. what is his new income?
3) a baker baked some cakes and brownies. he baked twice as many cakes as brownies. he packed them in boxes of 1 cake and 3 brownies. after packing all the brownies, he still had 75 cakes left. how many cakes and brownies did the backer bake altogether?
4) 1/4 of the beads in a box were white and the rest were black. when 114 white and black beads were added to the box, the number of white beads were doubled and the number of black beads increased by 30%. how many white and black beads were there in the box altogether at first?
5) mrs teo baked 720 more chocolate cookies than vanilla cookies. she sold 3/4 of the chocolate cookies and 3/5 of the vanilla cookies. in the end, she had 60 more vanilla cookies than chocolate cookies left. what fraction of the cookies left were chocolate cookies? express your answer in its simplest form.
6) lina had 150 more books than may at first. lina gave 60% of her books to may. may then gave 20% of her books back to lina. in the end, may had 162 more books than lina. how many books did may have at first?
thanks to anybody who helps. -
RE: Q&A - PSLE Math
hi all
please help to assist.
thanks alot.
1) mary has 4/7 of the number of stamps that aini has. if they have 165 stamps altogether, how many stamps does aini have?
2) jamie spent $6 less than 4/7 of her money on a dress. she spent $6 more than 1/2 of her remaining amount of money on a blouse. if she had $24 left, how much money did she have at first?
3) mr bala spent $760 of his salary on a television set. he saved $500 of his salary and the remaining money was spent on houshold bills and transport in the ratio 3:2. if he spent 1/6 of his salary on transport, how much was his total salary?
4) mrs kee baked a total of 250 cookies for the pupils in her class. there were more boys than girls in the class. she gave each boy a number of cookies equal to the number of boys in the class and each girl a number of cookies equal to the number of girls in the class. there were 22 pupils in the class.
a) how many girls were there in the class?
b) how many cookies did the boys receive altogether?
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RE: Q&A - PSLE Math
hi all
please assist and thanks for the help and have a great weekend.
cheers!
1) kelly has some $2 notes and $5 notes. the ratio of the value of the $2 notes to the value of the $5 notes is 3:5. there are 8 fewer $5 notes than $2 notes. what is the total value of all the $2 notes and $5 notes?
a) $32 b) $64 c) $96 d) $128
2)last month, the ratio of oliver’s salary to patrick’s salary was 3:2. this month, patrick’s salary increased by $460 while oliver’s salary decreased by $230. as a result, the percentage of oliver’s salary became 50% of patrick’s salary. how much was their total salary last month?
3) at first, shop A had 120kg of rice and shop B had 84kg of rice. after shop A sold twice the quantity of rice as shop B, the amount of rice that shop B had was twice that of shop A. how many kilograms of rice did shop A and shop B sell altogether?
4) mrs burnett used either 4 red buttons or 2 blue buttons to make each dress. the total number of dresses she made was 35. the total number of red buttons used was 74 more than total number of blue buttons used.
a) how many red buttons were used altogether?
b) how many blue buttons were used altogether?
5) john’s monthly salary was $4236. he used part of his salary for his monthly expenses. he gave 4/7 of the remaining amount to his parents and saved the rest. given that 1/4 of his saving was $16 less than 1/6 of his monthly expenses, how much was john’s expenses?
6) Mdm lee wanted to distribute some cards to every pupil in her cca group. if she were to give 7 cards to each pupil, she would be short of 13 cards. if she were to give 3 cards each to half of the pupils and 8 cards each to the other half of the pupils, she would have 38 cards left. how many pupils were there in her cca group? -
RE: Q&A - PSLE Math
Dear all, anybody can advise? thanks alot.
iamproudparents:
hi all
please help to assist.
thanks
1) Ahmad has some red, yellow and blue balloons. 1/3 of them are red balloons. the number of yellow balloons is 4 less than 1/5 of the remainder. the remaining 44 balloons are blue. how many red balloons does ahmad have?
2) vehicle x takes 12 hours to deliver a parcel from town A to town B. vehicle Y takes 15 hours to deliver the parcel along the same route. vehicle x moves at a speed 12 km/h faster than vehicle y. find the speed of vehicle x.
3) kelvin had $100 more than rani. on monday, after each of them had spent 1/2 of what they had. the ratio of kelvin's money to rani's money became 3:2. on tuesday, after kelvin had given some money to rani. the new ratio of kelvin's money to rani's money was 3:7.
a) how much did kelvin spend on monday?
b) how much did kelvin give to rani on tuesday?
4) nora, patricia and queenie had some stickers. the ratio of the number of stickers nora had to the number of stickers patricia had was 7:5. nora and patricia each gave 20% of their stickers to queenie. as a result, queenie's stickers increased by 80%. if nora has 10 more stickers than queenie in the end, how many stickers did patricia have at first?
5) http://i42.tinypic.com/166f28l.jpg\"> -
RE: Q&A - PSLE Math
hi all
please help to assist.
thanks
1) Ahmad has some red, yellow and blue balloons. 1/3 of them are red balloons. the number of yellow balloons is 4 less than 1/5 of the remainder. the remaining 44 balloons are blue. how many red balloons does ahmad have?
2) vehicle x takes 12 hours to deliver a parcel from town A to town B. vehicle Y takes 15 hours to deliver the parcel along the same route. vehicle x moves at a speed 12 km/h faster than vehicle y. find the speed of vehicle x.
3) kelvin had $100 more than rani. on monday, after each of them had spent 1/2 of what they had. the ratio of kelvin's money to rani's money became 3:2. on tuesday, after kelvin had given some money to rani. the new ratio of kelvin's money to rani's money was 3:7.
a) how much did kelvin spend on monday?
b) how much did kelvin give to rani on tuesday?
4) nora, patricia and queenie had some stickers. the ratio of the number of stickers nora had to the number of stickers patricia had was 7:5. nora and patricia each gave 20% of their stickers to queenie. as a result, queenie's stickers increased by 80%. if nora has 10 more stickers than queenie in the end, how many stickers did patricia have at first?
5) http://i42.tinypic.com/166f28l.jpg\"> -
RE: Q&A - PSLE Math
hi there
please assist.
thanks
1) box A contains only 50 cent coins while box B contains only 10 cent coins. there are 23 more coins in box B than in box A. if the total amount of money in box A and box B is $13.10, how many coins are there altogether?
2) ashley drove from pasir ris to tuas at a uniform speed of 60km/h. benjamin drove from tuas to pasir ris in the opposite direction at a uniform speed. 15 minutes after they passed each other, benjamin reached pasir ris while ashley was still 9km away from tuas. if benjamin took 35 minutes to travel from tuas to pasir ris, what was the distance between pasir ris and tuas?
3) frederic had a candy bag which contained 35 chocolate bars and 50 sweets. ryan had another candy bag which contained 45 chocolate bars and 10 sweets. after frederic gave ryan some chocolate bars and sweets, 40% of frederic's candy bag contained chocolate bars and 30% of ryan's candy bag contained sweets. how many chocolate bars and sweets did frederic give to ryan altogether?
4) a fruit seller packed some oranges into 22 big carton boxes and 8 small carton boxes. there were 14 more oranges in a big carton box than in a small box. the ratio of number of oranges packed into big carton boxes to the number of oranges packed into small carton boxes was 3:1. how many oranges did the fruit seller pack altogether?
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RE: Q&A - PSLE Math
hi all
another more questions needed help.
cheers!
1) zack and ryan had a certain number of game cards. zack had 12p more game cards than ryan. after zack gave away 18p game cards, he had 3/4 as many game cards left as ryan. how many game cards did ryan have? express your answer in terms of p in its simplest form.
2) town Y and town Z are 375 km apart. mr ang drives from town Y towards town Z at a uniform speed of 60km/h. mr chan drives from town Z to town Y at a uniform spped of 90 km/h. both mr ang and mr chan start their journey at the same time. how far has mr ang driven when he passes mr chan on the road?
3) there were some red and some blue marbles in a box. the number of red marbles was 3/5 the number of blue marbles. on monday, 2/3 of the red marbles and 2/3 of the blue marbles were removed. on tuesday, 52 red marbles and 40 blue marbles were removed. the number of red marbles left was 25% of the number of the blue marbles left. how many red marbles were in the box at first?
4) a car was travelling from town P to town Q. after completing 2/7 of the journey in 1/2 hour, the car passed a van travelling at a constant speed of 70 km/h in the same direction. 3 hours later, the car reach town Q but the van was still 65km away from town Q.
a) find the average speed of the car
b) if the van left town P at 0810, at what time would it arrive at town Q?
5) chef wan baked 3 types of loaves. he baked 24 more carrot loaves than corn loaves. he baked 48 more corn loaves than walnut loaves. he then sold 2/3 of the carrot loaves, 3/4 of the corn loaves and 1/2 of the walnut loaves. there were altogether 101 loaves left at the end of the day. how many carrot loaves did chef wan bake?
6) ali and bob each have some money. if ali spends $96, the ratio of the amount of money ali has to the amount that bob has will b 3:5. if bob spends $96, the ratio of the amount of money ali has to the amount bob has will be 11:13. how much do the two boys have altogether?
7) at a supermarket, there were 520 more oranges than apples. 12.5% of the oranges and 20% of the apples were sold. in the end, there were 488 more oranges than apples left. how many fruits were left?
a number of passengers boarded an empty mrt train at pasir ris station. at tampines station, 2/5 of them alighted and 80 passengers boarded the train. at simei station, 223 passengers alighted and 38 boarded the train. the train now has 3/8 of the number of passengers when it left tampines station.
a) how many passengers were on the train when it left simei station?
b) how many passengers were on the train when it left pasir ris station?
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RE: Q&A - PSLE Math
hi all
please help to assist.
thanks.
1) harley spent $180 on food. he used 2/7 of the remaining money on some books. if he had 1/3 of his money left, how much money did he have at first?
2) roy bought some pens, files and erasers. the ratio of the number of pens to the number of files to the number of erasers he bought was 3:5:2. the cost of each pen and eraser is $1.20 and $0.80 respectively. if he spent $182 on the pens and the erasers, how many files did he buy?
3) adrian, ben and calvin share 436 marbles. after adrian gave away 2/5 of his marbles, the ratio of the number of marbles he has to ben became 4:9. when calvin lost 1/3 of his marbles, the total number of marbles the children has was 352. how many marbles did calvin have at first?
4) jodie has 20% more red beads than green beads. she has 50 more orange beads than red beads. she mixed 20% of each of the coloured beads to make a total of 22 bracelets. she had used 298 red and orange beads for all the bracelets. how many beads were there in each bracelet?
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