reasoning Maths Puzzle Numerical Ability Permutation and Combination

in how many ways 6 children seated in 6 chairs?

Read Solution (Total 7)

reasoning Other Question

In what ratio must tea at Rs. 62 per Kg be mixed with tea at Rs. 72 per Kg so that the mixture must be worth Rs. 64.50 per Kg?

A.

1 : 3

B.

2 : 3

C.

3 : 1

D.

3 : 2
supposing a clock takes 7 seconds to strike 7.How long will it take to strike 10?