Daily wages of 110 workers, obtained in a survey, are tabulated below: Daily wages (in Rs.) 100-120 120-140 140-160 160-180 180-200 200-220 220-240 Number of workers 10 15 20 22 18 12 13 Compute the mean daily wages and modal daily wages of these workers.

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