A man is 24 years older than his son. 12 years ago, he was five times as old as his son. Find the present ages of both. A. Present age of father is 44 years and present age of son is 20 years. B. Present age of father is 42 years and present age of son is 18 years. C. Present age of father is 60 years and present age of son is 36 years. D. Present age of father is 48 years and present age of son is 24 years.

How do you find the Maclaurin series for tanx?

Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the equation is not about the fifth postulate.)

The smallest composite number is ______.

(a) 2

(b) 4

(c) 1

(d) None of these

Find the arithmetic mean of the first ten odd natural numbers.

A boat goes 24 km upstream and 28 km downstream in 6 hours. It goes 30 km upstream and 21 km downstream in 6 hours and 30 minutes. The speed of the boat in still water is

A. 10 km/hr

B. 4 km/hr

C. 14 km/hr

D. 6 km/hr