The adjoining figure represents a solid consisting of a cylinder mounted by a cone at one end and a hemisphere at the other end. Given that: common radius 3.5 cm, the height of the cylinder 6.5 cm and the total height 12.8 cm, calculate the volume of the solid? Correctuptothenearestinteger A. 380 cm3 B. 375 cm3 C. 3750 cm3 D. Does not exist

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