A contraceptive technique that increases phagocytosis of

If 22 – 16 means 352, 450 + 50 means 9, 9 ÷ 3 means 12, 11 x 8 means 3, then ' 280 – 5 x 240 ÷ 450 + 9 x 26' = ?

  By interchanging which two signs the question will be correct?

15 + 5 ÷ 2 – 9 × 3 = 22

If 14 (16) 8 and 28 (20) 5, then what is the value of A in 63 (A) 4?

If '@' means '÷', '#' means ' X ', '$' means '+' and '%' means '-' then what would be the value of the expression given below?

157 + 256 – 88 ÷ 8 × 4 = 117

What will be the value of the given expression after the following interchanges?

Expression: 324 + 22 - 7 X 4 ÷ 36 - 28

Which sequence of mathematical symbols among given sequences must be inserted in place of the (?) in order to obtain the desired result?

What will be the value of expression if the numbers/digits ‘(42)’ and ‘(16)’ are interchanged?

16 - 32 ÷ 8 × 12 + 11 + 42