Find the actual lower and upper class limits and also the class marks of the classes: 1.1-2.0, 2.1-3.0, 3.1-4.0 A) Actual lower limits: 1.05, 2.05, 3.05 Actual upper limits: 2.05, 3.05, 4.05 Class marks: 1.55, 2.55, 3.55 B) Actual lower limits: 1.5, 2.5, 3.5 Actual upper limits: 2.5, 3.5, 4.5 Class marks: 1.5, 2.5, 3.5 C) Data insufficient D) None of these

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