The total surface area of frustum shaped glass tumbler is (r_1 gt r_2) (a) pi r_1 l + pi r_2 l (b) pi l (r_1 + r_2) + pi (r_2)^2 (c) 1/3 pi h ( (r_1)^2 + (r_2)^2 + r_1r_2 ) (d) sqrt (h^2 + (r_1 - r_2)^2)

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