Question
Employee P manufactures 24 bottles an hour, and Employee Q
manufactures 16 bottles per hour. If 20% of the bottles are damaged, how much time is required to produce 320 good bottles?Solution
ATQ,
(To make 320 good bottles, they need to make:
320 ÷ 0.8 = 400 bottles in total
Time taken to make 400 bottles = 400 ÷ (24 + 16) = 400 ÷ 40 = 10 hours
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Find the missing number in the given number series.
?, 26, 38, 70, 130, 226
188    178    158   ?     88    38
7 47 ? 223 359 527
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What will come in place of the question mark (?) in the following series?
1.5, 3.5, 9.5, 27.5, 81.5, 243.5, ?
