Question
The second number in the given number-pairs is obtained
by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number-pairs, except one. Find that odd number-pair.Solution
The correct answer is A
Find the third proportion of 16 and 24.
The fourth term of an arithmetic progression is 6. Then the sum of first seven terms is:
The interest earned when a sum is invested at simple interest of 20% p.a., for 3 years, is Rs. 3000. What will be the total amount received after 2 year...
18, 27, 54, 135, 400, 1417.5
Find the mode for the given distribution.
(rounded off to two decimal places).
21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.
The 4th term of an AP is 17 and the 9th term is 42. Find the sum of the first 20 terms.
The cost of an item is 'A'. A shopkeeper increases the price by 'x'%, then applies a discount of 'd'% on the increased price. Aft...
The number of marbles with ‘Ankit’ and ‘Bhavya’ together is 25 more than that with ‘Chetan’, while the number of marbles with ‘Bhavya’ a...
A ball is thrown from a height of 900 m on the ground. It bounces (2/3)Â times of its every last bounce. Find the total distance covered by the ball ti...