ssc online exam test cgl

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SSC CGL Tier 1 :: QA Test 32
Home » SSC CGL Tier 1 » QA Test 32 » General Questions - Discussion
1 . If 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is –
[ A ]    2 : 1 right [ B ]    3 : 1
[ C ]    2 : 3 [ D ]    5 : 4
Answer : Option A
Explanation :
ATQ,
(12M + 16B) × 5 = (13M + 24B) × 4
60M + 80B = 52M + 96B
8M = 16B
1M = 2B
M : B = 2 : 1
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