Question

DIRECTIONS: In the following questions the actual mathematical symbols have been substituted by other notations and symbols. You are required to ascertain the actual symbols and arrive at the correct conclusion from the alternatives give below: -

If ‘÷’ means ‘+’ , ‘-‘ means ‘x’, ‘+’ means ‘÷’ and ‘x’ means ‘-‘ then 36 × 12 + 4 ÷ 6 + 2 - 3 = ?

1. 2
2. 6 ½
3. 18
4. 42

Answer 1

Correct Answer - Option 4 : 42

Given:

Sign	÷	-	+	×
Code	+	x	÷	-

 

Coded expression: 36 × 12 + 4 ÷ 6 + 2 - 3 = ?

Decoded expression: 36 - 12 ÷ 4 + 6 ÷ 2 x 3 = ?

36 - 3 + 3 x 3

36 - 3 + 9

45 - 3

42

Hence, 42 is correct.