Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Logical and Analytical Reasoning

Topic

Mathematical Operations

Question:

If '(+)' stand for the $\div$ , '($\div$)' stand for $\times$ , '($\times $)' stand for - and '(-)' stand for +, which one of the following is correct ?

Options:

$18/6\times 7 + 5 - 2= 22$

$18 \times 6 +7/5-2=16$

$18/6-7+5\times 2=20$

$18+6/7\times 5-2=18$

Correct Answer:

$18+6/7\times 5-2=18$

Explanation:

18 × − 18 ;

After interchanging signs;

18 \(\div \) 6 x 7 - 5 + 2 = 18

=> 3 x 7 - 5 + 2 = 18

=> 21 - 5 + 2 = 18

=> 16 + 2 = 18

=> 18 = 18

LHS = RHS