Our brain mainly depends on which of the following

Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.

22 @ 6 @ 18 @ 17 @ 2

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

4 7 6

15 ? 21

44 68 60

By interchanging the given two numbers (not digits), which of the following equations will be correct?

24 and 15

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 balance the given equation.

If, 'A $ B' means 'A + B', 'A & B' means 'A ÷ B', 'A % B' means 'A X B' and 'A # B' means 'A - B', then what is the value of the given equation?

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

9 × 10 ÷ 2 – 4 = 51 + 2