You are downloading a song. The percent y (in decimal form) of megabytes remaining to get downloaded in x seconds is given by y=−0.1x+1. Solve the following questions: (1) Draw the graph of the function. (2) Find the total MB of the song. (3) After how many seconds will 75% of the song get downloaded? (4) After how many seconds the song will be downloaded completely?

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