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AFCAT I 2018 Solved Paper
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© examsnet.com
Question : 28
Total: 100
A farmer divides his herd of n cows among his four sons, sothat the first son gets one–half the herd, the second one–fourth, the third son
1
5
and the fourth son 7 cows. Then the value of n is
240
100
180
140
Validate
Solution:
👈: Video Solution
According to the question,
n
2
+
n
4
+
n
5
+ 7 = n
⇒
10
n
+
5
n
+
4
n
20
+ 7 = n
⇒
19
n
20
+ 7 = n ⇒ n -
19
n
20
= 7
⇒
n
20
= 7 ⇒ n = 20 × 7 = 140
© examsnet.com
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