Find the value of [{(243)^n/5}* {3^(2n+1)}]/{9^n * (3)^(n-1)}.
In a game of 100 points, A can give B 20 points and C 28 points. Then, B can give C
A horse covers a distance of 1500 meters in 1 minute 20 seconds. At what speed the horse is running?
The tens digit of a two-digit number is two more than its unit digit. The two-digit number is 7 times the sum of the digits. Find the units digits?
(1) + (1 + 1) + (1 + 1 + 1) + ............................ + (1 + 1 + 1 + ...................... n - 1 times) = x
Find the value of x?
If the areas of the three adjacent faces of a cuboidal box are 120cm2, 72cm2 and 60cm2 respectively, find the volume of the box.
A mother is twice as old as her son. If 20 years ago, the age of the mother was 10 times the age of the son, what is the present age of the mother?
A man has ₹480 in one-rupee notes, five-rupee notes, and ten-rupee notes. If the number of notes of each denomination is equal, what is the total number of notes?
From a normal pack of cards, two cards are drawn. Find the probability that both the cards are queens if the two cards are drawn successively without replacement.
The banker's discount on Rs. 1600 at 15% per annum is the same as the true discount on Rs. 1680 for the same time and at the same rate. What is the time?