Due to some error in the weighing machine, Aahana's weight was shown 72 kg as against the actual value of 80 kg. The percentage error is

A's weight is 25% of B's weight and 40% of C's weight. What percentage of C's weight is B's weight?

If 30% of P is added to 40% of Q, it becomes 80% of Q. Accordingly, what is the percentage of Q with respect to P?

A man buys Rs 20 shares paying a 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is

A number is mistakenly divided by 4 instead of multiplied by 4. What is the percentage change in the result?

A cricket team won 24 matches out of total matches. If win percentage was 60%, total matches?