81 72 136 111 ? 278

What will be the value of expression if the signs ‘(-)’ and ‘(+)’ are interchanged?

75 + 42 – 6 × 56 ÷ 7 + 6 × 3 – 2

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.

24 * 2 * 16 * 2 * 13 = 53

The given equation has been solved on the basis of a certain rule. Find the correct answer for the unsolved equation on that basis:

A $ B means A X B, A & B means A - B, A % B means A ÷ B and A # B means A + B, then what is the value of 320 & 80 # 120 % 24 $ 50?

Which among the given operators should replace the “%” (in the same order) in the given expression below:

7 % 12 % 7 % 38 % 47 % 8

Given below an equation having four blanks you have to check from the alternatives which among the given is correct?

16 _ 22 _ 11 _ 8 _ 40

If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression:

Select the correct combination of mathematical signs that can sequentially replace the $ signs and make the equation correct.

Select the correct combination of mathematical signs that can sequentially replace ‘*’ sign and balance the equation given below.

Which two signs should be interchanged to make the following equation correct?

9 × 10 ÷ 2 – 4 = 51 + 2