Find the average of first 14 whole numbers.
The square of 12 is subtracted from 25 times a whole number, and the result is equal to the square of that number. Find the square of the difference bet...
Find the average of first 21 whole numbers.
If 94*6714 is divisible by 11, where * is a digit, then * is equal to
The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller n...
Two numbers P and Q are in the respective ratio 7: 9 and their sum is 80. Then, P is equal to:
In a class, 2/5 of the students are girls and rest are boys. If 4/9 of the girls and 1/3 of the boys are absent, what part of the total number of studen...
A person distributes pens among his three friends A, B and C in the ratio 1/5 : 1/6: 1/8 . What is the minimum number of pens that the persons should have?
15% of a number is 1.2. Find that number.
3 chairs and 2 tables cost Rs. 700 and 5 chairs and 3 tables cost Rs. 1100. What is the cost of 1 chair and 2 tables?