At a famous roti prata shop, for every two people who order egg prata there are five people who order plain prata. (a) If ′a′ people order egg prata, how many people order plain prata? (b) If ′b′ people order plain prata, how many people order egg prata? (c) If there are total of ′c′ people in the shop how many of them order egg prata

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