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RRB Group-D Model Paper 13 with answers for online practice
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© examsnet.com
Question : 3
Total: 100
If we add 7 to 5 times a number, we get 67 and if we subtract 9 from thrice the same number, we get 27. Find the given number.
65
12
67
15
Validate
Solution:
Let, the number = x
According to the question,
5x + 7 = 67
⇒ 5x = 60
⇒ x = 12 ---(i)
3x - 9 = 27
⇒ 3x = 36
⇒ x = 12 ----(ii)
From both equation (i) and (ii)
We get x = 12.
Hence, the correct answer is 12.
© examsnet.com
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