A man bought 13 articles at 70 each, 15 at 60 each and 12 at 65 each. The average price per article is 

A sum of money at simple interest amounts to ₹ 1,012 in $$2{1\over2}\%$$ years and to ₹ 1,067.20 in 4 years. The rate of interest per annum is:

When 0.090909.....is converted into a fraction, then the result is

Three different containers contain 130 liter, 442 liter and 234 liter of milk, respectively. What biggest measure can be used to measure all the containers exactly?

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

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

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?