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SSC CGL Tier 2 Exam 1 Dec 2016 Paper 1
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© examsnet.com
Question : 32
Total: 100
The average daily income of 7 men, 11 women and 2 boys is Rs. 257.50. If the average daily income of the men is Rs.10 more than that of women and the average daily income of the women is Rs.10 more than that of boys, the average daily income of a man is
Rs. 277.5
Rs. 250
Rs. 265
Rs. 257
Validate
Solution:
(3) Average daily salary :
Men ⇒ Rs. x (let).
Women ⇒ Rs. (x – 10)
Boys ⇒ Rs. (x – 20)
According to the question,
7x + 11 (x – 10) + 2 (x – 20) = 20 × 257.5
⇒ 7x + 11x – 110 + 2x – 40 = 5150
⇒ 20x – 150 = 5150
⇒ 20x = 5150 + 150 = 5300
⇒
x
=
5300
20
=
Rs. 265
© examsnet.com
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