Percentage Shorts | Find the whole quantity | Comparing Quantities | Class 7 Percentage Tricks

Find the quantity if 6% of it is 360

The price elasticity of supply of a commodity is 0.5. The percentage change in quantity supplied is 4% . What is the percentage change in price?

Let x={:[(a^(2)b^(2))/(c)]:} be the physical quantity. If the percentage error in the measurement of physical quantities a,b, and c is 2,3 and 4 per cent respectively, then percentage error in the measurement of x is

99% quantity of a radioactive substance decays between

A small error in the measurement of the quantity having the highest power (in a given forumla) will contribute maximum percentage error in the value of the physcial quantity to whom it is related. Explain why.

A merchant has 120 kg of rice. He sells a part of it at a profit of 10% and the rest at a profit of 25%. He gains 15% on the whole. Quantity of rice he sold at 25% gain is

What was the percentage drop in export quantity from 2005 to 2006?