- A 38
- B 39.8
- C 42.5
- D 31.4
- GK Home
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HHeight and Distance
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PProblems on Ages
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CClock
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AArea
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PPermutation and Combination
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RRatio and Proportion
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AAlligation or Mixture
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TTime and Work
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TTime and Distance
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SSimple Interest
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PProfit and Loss
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PPercentage
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CCalendar
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AAverage
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VVolume and Surface Area
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NNumbers
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PProblems on H.C.F and L.C.M
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SSimplification
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SSurds and Indices
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CChain Rule
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BBoats and Streams
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LLogarithm
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SStocks and Shares
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PProblems on Trains
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Q: What is the mean of all prime numbers that are within the range of 30 and 50, inclusive?
Average
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