Mathematics Common Entrance Answers part 2

Mathematics problem solving Common Entrance part3

Mathematics Problem Solving

1.      At the end of a game John had 28 marbles and Tommy had 4 times as many.

(a)    How many marbles did they have altogether?

(b)   If all the marbles were shared equally among seven boys, how many would each boy receive?

2.      A piece of metal weighing 117.5104 grams contains copper, lead, and aluminium. If the quantities of copper and lead in it are 51.264 grams and 21.46 grams respectively, what weight of aluminium does the piece of metal contain?

3.      For a concert, 960 chairs were arranged in 40 rows. During the concert, only 24 rows of chairs were occupied. If each chair was occupied by one person, how many people attended the concert?

4.      Mr. John bought a pair of pants for $45.00, 2 shirts at $24.50 each, and 2 pairs of slippers at $19.50 each. After paying the cashier, he received $7.00 change. How much money did he give to the cashier?

5.      During the summer, Jackson collected 2 dozen mangoes. Jennifer collected 10 fewer than Jackson. And Su collected twenty more than Jennifer. How many mangoes did they collect altogether?

Try to work out these I will give the answers later

Mathematics Common Entrance Problem Solving Answers part1

Mathematics problem solving Common Entrance part2

1.      A store received some boxes of pencils. Each box contained 25 pencils. The pencils were shared equally among 20 departments. If each department had 35 persons and each person received one pencil, how many boxes of pencils did the store receive?

2.      Mrs. Johnson bought 3 packets of chicken breasts, each weighing 6.50 kg. She bought 2 packets of chicken thighs each weighing 5.9 kg., and 3 packets of whole legs each weighing 10.78 kg. She fried 8.28 kg. of thighs to sell and barbecued 25.6 kg whole legs to sell. If all the fried thighs and the barbecued legs were sold, how much chicken did Mrs. Johnson have left?

Try to work out these I will give you the working in a following post

Mathematics problem solving Common Entrance part1

1.      Tommy walked around his square bedroom. If one side of the bedroom measured 18 metres, what distance did he walk?

2.      Johnny bought a second hand bike for $8 000.00. He spent an extra $435.00 on repairs. At what price must he now sell the bike to make a profit of $450.00?

3.      A girl types at a rate of 75 words per minute. She started typing a book consisting of 19800 words at 8:30 a.m. At what time did the girl complete the task?

Try to work out these problems I will give you the answers in a next post