Aptitude and Reasoning Questions

Statement: Properly fed and starved monkeys were made to run through a network of paths designed as a puzzle. It was observed that the starved monkeys could not run faster. This proved that the people with lower intelligence in poor countries are a victim of malnutrition.
Course of action:
a. The effects of nutrition on the intelligence of the monkeys is parallel to those on human beings.
b. Captive monkeys are more intelligent than wild monkeys.

A and B started a partnership business investing some amount in the ratio of 5 : 6. C joined then after 6 months with an amount equal to 2/3rd of B. What was their profit (in Rs) at the end of the year if C got Rs 21,600 as his share?

In a row of boys, Punit’s position from the left end is 33rd and Ankit’s position from the right end is 25th. After interchanging their position, Punit’s position becomes 45th from the left end. How many boys are there in the row?

If 6@1 = 12, 6@2 = 24 and 9@9 = 162, then find the value of 4@6 = ?

If pq(p+q) = 1, then the value of 1p3q3-p3-q3 is equal to

Find the missing number in the following series.
27, 29, 33, ?, 57

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_ yzaa _ y _ xy _ aazy _

Ravi invested Rs.P in a scheme A offering simple interest at 10% p.a. for two years. He invested the whole amount he received from scheme A, in another scheme (B) offering simple interest at 12% p.a. for five years. If the difference between the interests earned from schemes A and B was Rs. 13,00/, what is the value of P ?