Test Index

SSC CHSL Model Paper 7

© examsnet.com

Question : 21 of 100

Marks: +1, -0

If '-' stands for '+' , ’+’ stands for ’×', '×' stands for '-' then which one of the following is not correct?

$2 2 + 7 -3 \times 9 = 1 4 8$
$3 3 \times 5 -1 0 + 20 = 228$
$7 + 2 8 -3 \times 5 2 = 1 2 7$
$4 4 -9 + 6 \times 11 = 87$

Solution:

By options -

2 2 + 7 -3 \times 9 = 1 4 8

154 + 3 -9

1 5 7 -9 = 148

(correct)

(b)

3 3 \times 5 -1 0 + 20 = 228

3 3 -5 + 200

200 + 3 3 -5

233 - 5 = 228

(correct)

(c)

7 \times 28 + 3 -5 2 = 1 2 7

196 + 3 -5 2

199 - 52 = 147

(incorrect)

(d)

44 + 9 \times 6 -1 1 = 87

44 + 54-11

98 -1 1 = 87

(correct)

© examsnet.com

Go to Question:

Prev Question

Next Question