ICSE ICSE Class 8 - CISCE Question Bank Solutions for Mathematics

Solve: `"2x"/3 - ("x" - 1)/6 + ("7x" - 1)/4 = 2 1/6` Hence, find the value of 'a', if `1/"a" + 5"x" = 8`

Solve: `(4-3"x")/5 + (7 - "x")/3 + 4 1/3 = 0` Hence, find the value of 'p', if 3p - 2x + 1 = 0

Solve: 0.25 + `1.95/"x" = 0.9`

Solve:

`5x − (4x + (5x -  4)/7) = (4x - 14)/3`

Fifteen less than 4 times a number is 9. Find the number.

If Megha’s age is increased by three times her age, the result is 60 years. Find her age

28 is 12 less than 4 times a number. Find the number.

Five less than 3 times a number is -20. Find the number.

Fifteen more than 3 times Neetu’s age is the same as 4 times her age. How old is she ?

A number decreased by 30 is the same as 14 decreased by 3 times the number; Find the number.

A’s salary is same as 4 times B’s salary. If together they earn Rs.3,750 a month, find the salary of each.

Separate 178 into two parts so that the first part is 8 less than twice the second part.

Six more than one-fourth of a number is two-fifth of the number. Find the number.

Check whether x and y vary inversely or not.

The length of a rectangle is twice its width. If its perimeter is 54 cm; find its length.

A rectangle’s length is 5 cm less than twice its width. If the length is decreased by 5 cm and width is increased by 2 cm; the perimeter of the resulting rectangle will be 74 cm. Find the length and width of the origi¬nal rectangle.

Check whether x and y vary inversely or not.

The sum of three consecutive odd numbers is 57. Find the numbers.

A man’s age is three times that of his son, and in twelve years he will be twice as old as his son would be. What are their present ages.

Check whether x and y vary inversely or not.