If 20% of a = b, then b% of 20 is the same as:

If 20% of three element subsets of the set {a_(1),a_(2),a_(3),.......,a_(n)} are three element subsets with an element a_(1) , then n is

To an observer, the pitch of a stationary source of sound appears to be reduced by 20%. If the speed of sound is 340m/s then speed and direction of the observer is

N_2O_4 at an initial pressure of 2 atm and 300K dissociates to an extent of 20% at the same temperature by the time equilibrium is established. K_p for the reaction 2NO_2 harr N_2O_4 is

After allowing a discount of 20% the cost of a shirt is ₹1,120 then the MP is

A shop keeper sold two TV sets at ₹ 9,900 each. He sold one at a profit of 20% and the other at a loss of 20%. On the whole whether he gets profit or loss. If so what is its percentage?

In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was:

Neelima went to a shop to buy a dress. Marked price of the dress is ₹1000. Shop owner gave a discount of 20% and then 5 %. Find the single discount equivalent to these two successive discounts.

A mixture of Nitrogen and Hydrogen (1:3 mole ratio) is at an initial pressure of 200atm. If 20% of the mixture reacts by the time equilibrium is reached, the equilibrium pressure of the mixture is

Malik sells two tables for 3000 each. He gains 20% on one table and on the other he loses 20%. Find his gain or loss percent on the whole transaction.