SSC CHSL Model Paper 7

Question : 21 of 100

Marks: +1, -0

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

Solution:

By options -

2 2 + 7 -3 ×9 = 1 4 8

154 + 3 -9

1 5 7 -9 = 148

(correct)
(b)

3 3 ×5 -1 0 + 20 = 228

3 3 -5 + 200

200 + 3 3 -5

233 - 5 = 228

(correct)
(c)

7 ×28 + 3 -5 2 = 1 2 7

196 + 3 -5 2

199 - 52 = 147

(incorrect)
(d)

44 + 9 × 6 -1 1 = 87

44 + 54-11

98 -1 1 = 87

(correct)

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