The LCM of 1.2 and 2.7 is:

What is the height (in cm) of an equilateral triangle whose each side is 8 cm?

42 boys can complete a piece of work in 20 days working 8 hours per day. In how many days can 14 boys complete the same work, each boy working 12 hours per day?

If p = cosec θ – cot θ and q = (cosec θ + cot θ)^-1 then which one of the following is correct?

If the present worth of a certain sum due 2 years hence at 10% per annum at a compound interest principal is Rs. 2500, find the amount.

A certain sum of money yields Rs. 1261 as compound interest for 3 years at 5% per annum. The sum is: 

Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. What is the smallest number?

The two vowels touch each other internally. Their radii are 2 cm and 3 cm. What will be the length of the largest chord of the bigger circle outside the inner circle?