The percentage increase in the surface area of a cube when each side is doubled is :

Solve this : (7.9% of 134) - (3.4% of 79) = ?

The price of a commodity rises from Rs. 6 per kg to Rs. 7.50 per kg. If the expenditure cannot increase, the percentage …

I paid Rs. 27.20 as sales tax on a watch worth Rs. 340. Find the rate of sales tax.

If 15% of (A + B) = 25% of (A - B), then what percent of B equal to A ?

Anand has drawn an angle of measure 45° 27' when he was asked to draw an angle of 45° . The percentage error in…

What is the difference between 0.6 and 0.6% ?

If x% of 500 = y% of 300 and x% of y% of 200 = 60, then x = ?