Archive | March, 2013

Question from Tina Tran

27 Mar

Q.   Johnny had 85 bags with a total of 330 gold coins. The bags contained 2, 4 or 5 gold coins each. The number of bags with 4 gold coins was equal to the number of bags with 5 gold coins. How many bags of each types were there?

 

Please click the following link for suggested solution: Question from Tina Tran 27.03.13

Questions from Pranathi

13 Mar

1.      John planned to buy 12 shirts and 15 ties as Christmas gifts.  These items cost a total of $390.  However, John made a mistake by purchasing 15 shirts and 12 ties instead and had to pay an extra $30.  What is the price of each shirt and each tie?

shirts-ties_628

2.      Mrs Chew bought some apples and gave half of them to Mrs Liew.  Mrs Liew bought some bananas and gave half of them to Mrs Chew.  Mrs Chew used 6 of her apples to bake apple pies while Mrs Liew used a dozen bananas to make banana split.  The ratio of Mrs Chew’s apples to bananas became 1 : 6.  Mrs Liew had four times as many bananas as apples.

(a)     How many apples did Mrs Chew buy?

(b)     How many bananas did Mrs Liew buy?

Please click the following link for suggested solutions: Questions from Pranathi 13.03.13

Questions from Pranathi

7 Mar

1.    440 boys and girls took their semestral examinations. 340 of them passed Mathematics and 360 of them passed their Mother Tongue papers. 40 of them failed both papers. How many children passed both their Mathematics and Mother Tongue papers?

2.    In a Maths Competition, 3 challenging problem sums, Problem 1, Problem 2 and Problem 3 were given.

40 children answered at least one problem correctly.
15 children answered Problem 1 correctly.
20 children answered Problem 2 correctly.
25 children answered Problem 3 correctly.
If only 2 children answered all problem sums correctly,
a. how many children answered only two problem sums correctly?
b. how many children answered only one problem sum correctly?

Please click the following link for suggested solutions: Questions from Pranathi 07.03.13