A number when increased by 25% gives 80. The number is-
The ratio of boys and girls in a class is 3 : 2. If 10% of boys and 15% of girls failed in an examination, the percentage of passed students is :
The sum of two numbers is twice the difference between them. If the smaller number is 20, find the bigger number.
Find the number which does not match with the series. 1, 5, 11, 19, 29, 55
A man spends 3/5 of his income and still saves Tk. 600. His income is-
The average age of 4 brothers is 6 years. If the age of their father is included, the average is increased by 5 years. Find the age of the father.
Tk. 700 is divided between A and B in the ratio of 3 : 4. find A's share.
5 years ago, A was 10 years younger than B. What will be the difference between their ages after 2 years from now?
25% of 75% 80 = ?
The salary of an employee is first decreased by 10% and then is increased by 25%. Find percent increase in his salary from the original salary.
If a : b = 3 : 4 and b : c = 6 : 7, then a : b : c = ?
It the length of a rectangle is 8 cm and its diagonal is 10 cm, find its area.
992-962=?
Area of a square field is 484 square meter, find its perimeter.