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Time taken in reading 250 pages @ 50 pages/hr = 250/50 hr = 5 hr Time taken in reading 150 pages @ 20 pages/hr = 150/20 hr = 15/2 hr ∴ Total time taken in reading 400 pages = 5 + 15/2 = 25/2hr. ∴ Required average rate of reading = (400 ×2)/25 = 32 pages/hr
How many floors are there between O and person who likes Blue?
How many boxes are placed between the box with HP and V?
Which of the following statements is true?
If Reena exchanges position with Manish; and the one who teaches Maths exchanges position with Shabnam, who will be sitting at the extreme ends of row 1?
Five articles, K, L, P, R and T, are kept one above the other (not necessarily in the same order). K is just above T and just below R. L is just above P...
Who lives two floors below X (same flat type)?
C attends which of the following seminars?
Who among the following lives immediate above the vacant flat?
How many persons live between V and Y?
On which of the following shelf number does Box G is kept from the top?