Quantitative Aptitude - Arithmetic Ability Questions

The sum of two numbers is 7 and the sum their squares is 23, their product is equal to:

On dividing 8a2b2c2 by 4a2, we get

In an examination 65% students pass in history and 55% students pass in hindi. If 5% students failed in both the subjects, then what is the percentage of students who have passed in both the subjects?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The points A(3,­-2), B(1,4) and C(­-2,x) are collinear. What is the value of x?

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

A man can row his boat at a speed of speed of 4 kmph and he finds that the time taken rowing upstream is double to that taken downstream. Find the speed of the stream (in kmph).

If cos3A = X, then value of X?