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Da S

Questions (37)

If the time taken to melt 10g of ice at 0 degree Celsius is 1 minute, how long will it take to vaporize 10g of water at 100
1. 2 answers
2. 1,174 views
A piece of copper with mass 2.5kg is heated from 30degree celcius to 80degree celcius. 50000 Joule of thermal energy is
1. 1 answer
2. 724 views
Mr Roberts drove a distance of 118km from city X to city Y. At first,he drove at a speed of 60 km/h. Then he drove for 1 1/4hr
1. 2 answers
2. 698 views
A motorist took a total of 4hr to drive from town A to town C. He took 1hr to travel from town A to town B,which is between town
1. 1 answer
2. 780 views
Fauzia took 30min to cycle from her house to the cinema. If she cycled the first 3km of the journey at a speed of 150m/min, find
1. 2 answers
2. 575 views
Mrs Leong took 1 hour to drive 1/5 of a journey from village R to village S.she drove the remaining 180km in 4hr. A) what was
1. 1 answer
2. 520 views
a boat travel for 4hr from pole a to pole b.then it travel for 3hr from pole b back to pole a.the distance between the two poles
1. 2 answers
2. 1,079 views
pei fen walked a distance of 526 m.then she walked for another 5minutes at a speed of 70m/min.she took a total of 12 min to walk
1. 1 answer
2. 805 views
harun and kuna competed in a 200-m race.harun ran at a speed of 5 m/s.kuna ran at a speed of 8 m/s.if they started at the same
1. 3 answers
2. 2,605 views
lisa began her journey from home at 1350 and reached her destination at 1415.A.how long did she take for the whole journey? B.if
1. 1 answer
2. 841 views
Da Ming walks from his school to his house at a speed of 5km/h.he takes 20 minutes to reach home.what is the distance between
1. 1 answer
2. 1,164 views
Amit bought a pair of pants for 45$.he had to pay 7% GST.a)how much GST did Amit pay? b)how much did Amit pay for the pair of
1. 1 answer
2. 386 views
Karen took 1h 45m to drive from town a to town b.she took another 25m to drive town b to town c.after that,she drove back to
1. 1 answer
2. 1,266 views
Sharil is cycling from his house to Jeju Island,which are 15km apart.If Sharil has cycled a distance of 9.5km,what percentage of
1. 1 answer
2. 434 views
A jug contained 780ml of milk.Mrs Li poured 221ml of the milk into a glass and 130ml into a cup.what percentage of milk was left
1. 1 answer
2. 1,063 views
Evelyn has a ribbon 420cm long.She uses 216cm to decorate a present.what percentage of the ribbon is left?Express your answer
1. 2 answers
2. 603 views
Choon yong was asked to paint a wall of area 84 meter square.In one hour,he had painted 21meter square.a)what percentage of the
1. 2 answers
2. 677 views
the ratio of the number of coins Azam had to the number of coins Eddie had was 3:7.Eddie gave 42 coins to Azam and they ended up
1. 1 answer
2. 514 views
the ratio of the number of coins Azam had to the number of coins Eddie had was 3:7.Eddie gave 42 coins to Azam and they ended up
1. 1 answer
2. 2,236 views
Mr Lim put some red pens and blue pens into a box.The ratio of the number of red pens to the number of blue pens was 3:4.He
1. 9 answers
2. 5,415 views
the ratio of the mass of flour in packet A to the mass of of flour in packer B is 1:2.Mrs Anand uses 1/3 of the flour in packet
1. 9 answers
2. 2,819 views
the ratio of the number of marbles Zali had to the number of marbles Muthu had was 3:4.Muthu gave half of his marbles to
1. 1 answer
2. 2,312 views
a wire is bent into a rectangle.the ratio of the length of the rectangle to its breadth is 9:5.if the total length of the wire
1. 1 answer
2. 731 views
Mrs Koh bought some tuna and sardine from a fishmonger.the ratio of the mass of tuna to the mass of sardine was 1:2.if she
1. 2 answers
2. 562 views
a sum of money is shared between Alice,Gahya&Sita in the ratio 3:2:4.if Gahya receives $4287.50,how much money do Alice and sita
1. 1 answer
2. 598 views
Mrs Rama uses 0.4 liters of watermelon juice for every 0.9 liters of apple juice to make a jug of mixed fruit juice.a) for 225
1. 2 answers
2. 1,156 views
mr kim mixes cement&sand to make a mixture.he uses 2 pails of cement for every 5 pails of sand.a) if he uses 24 pails of
1. 2 answers
2. 538 views
a chef uses salt and sugar in the ratio 2:7 to make a sauce.if the chef uses 129.5g of sugar,how much salt does he use? show ur
1. 2 answers
2. 2,258 views
a total of 9liters of orange syrup was poured equally into 6 jugs. Susan poured 2/5 liters of orange syrup from a jug into a
1. 1 answer
2. 2,481 views
Becky bought 25kg of sweets.she kept 1kg of sweets for her use and packed the remaining sweets equally into some packets to
1. 1 answer
2. 787 views
Adam and Rahmad shared some beads.if Adam gave one-third of his share to Rahmad,Rahmad would have 70 more than Adam.if Adam gave
1. 2 answers
2. 1,735 views
there were 25pupils in a class. they had 135 books altogether. two-fifth of the pupils were girls.they had the same number of
1. 6 answers
2. 1,824 views
during school holidays, Chris read 312 pages of a book at first.he read the remaining pages in 20days, w/ the same number of
1. 3 answers
2. 2,789 views
Susan had some money. she spent one-sixth of her money on Saturday.on Sunday,she spent one-half of the remaining money and gave
1. 8 answers
2. 1,436 views
the length of a rectangle is 6times as long as its breadth.a.) what fraction of the perimeter of the rectangle is the length of
1. 4 answers
2. 1,934 views
Chris read 312 pages of a book at first.he read the remaining pages in 20 days,w/ de same number of pages each day.during these
1. 2 answers
2. 2,444 views
a total of 9litres of orange syrup was poured equally into 6jug. Susan poured 2over5 litres of orange syrup from a jug into a
1. 1 answer
2. 567 views

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