The sum of the digits of a two digit number is 8. If the digits are reversed, the number is decreased by 54. Find the number.

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient = double the remainder. If the remainder is 80 then the value of x is

A boy was told to multiply a number with 50, but he multiplied it with 30 and in this way his answer is less than 400 by right answer. What was the number ?

Of the three numbers, the sum of the first two is 45, the sum of the second and the third is 55 and the sum of the third and thrice the first is 90. the third number is:

A, B and C are Batsman. The ratio of the runs scored by them in a certain match are A : B = 5 : 7 and B : C = 4 : 9. In all they scored 333 runs. Find out the number of runs scored by B ?

Six years ago, the ratio of the ages of Karim and Samir was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Samir’s age at present?

The average age of a wife and husband, who were married 10 years ago, was 20 years then. Including a child the present average age of the family is 23 years. What is the present age of the child?

In the production of a car three types of costs are including cost of raw material, expenditure on labour and miscellaneous costs. Ratio of expenditure on these cost in a year is 5 : 4 : 3. In the next year cost of raw material increased by 20%, expenditure of labour increased by 10% and miscellaneous costs decreased by 1%. Find the percentage rise in the cost of car.

If x is 4 times of y, then  by what percent y is less than that of x?