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SSC CGL Model Paper 17
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© examsnet.com
Question : 2
Total: 99
At a party, the number of girls is one-third of the number of boys. After two hour, eight boys leave the party and two girls join the party, hence no. of boys and girls are same. How m any people were present at the party two hour before?
40
20
25
30
Validate
Solution:
3G = B
G : B = 1 : 3
(B - 8) = (G + 2)
3G - 8 = G + 2
2G = 10 ⇒ G = 5
Total people = B + G = 15 + 5 = 20
© examsnet.com
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