ssc online exam test cgl

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SSC CGL Tier 1 :: QA Test 31
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1 . A grocer buys 160 kg of rice at ` 27 per kg and mixes it with 240 kg of rice available at ` 32 per kg. At what rate per kg should he sell the mixture to gain 20% on the whole ?
[ A ]    ` 30 [ B ]    ` 36 right
[ C ]    ` 42 [ D ]    None of these
Answer : Option B
Explanation :
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