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

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