RRB NTPC Mains or Stage 2 Model Paper 6 with solutions

Question : 26 of 119

Marks: +1, -0

When 60 is subtracted from 60% of a number, the result is 60. The number is :

Solution:

(b) Let the number be x.
Then x – 60% of x = 60
⇒ x – 0.60x = 60 ⇒0.4x = 60

⇒ x = 60/0.4⇒ x = 600/4

x = 150
∴ The number is 150.

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