If a, b, c refer to any number and a = b,
(i) ac = bc
(ii) a + c = b + c
(iii) a – c = b - c
Which one is correct ?

In the equation 6x + 3 = 9
(i) Variable is 1
(ii) Exponent of variable is 1
(iii) Value of variable is 2
Which one is correct ?

Sum of two natural numbers is 24. Twice of which of the following numbers is added to 6, the sum will be the same ?

What is the perimeter of a rectangular garden having length of x metre and breadth of y metre ?

Find out the value of x when 3 is added to twice x that gives a sum of 9.

The subtraction of two numbers is 30 and the greater number is 4 times the smaller number. What is the smaller number ?

Which one of the following is the value of the variable in equation x + 3 = 8 ?

Amount of Mack's money is twice the amount of the Marrie's money. They have together 30 taka in total. How much money does Marie have ?

The subtraction of two numbers is 30 and the greater number is 4 times the smaller number. What is the ratio of greater and smaller number ?

Which one of the following is the root of the equation 4x = 8 ?