Question
Pipe A fills a tank in 8 hours, Pipe B fills it in 12
hours, and Pipe C empties it in 24 hours. If all are opened together, how long will it take to fill the tank?Solution
Net rate = 1/8 + 1/12 - 1/24 LCM = 24 1/8 = 3/24 1/12 = 2/24 -1/24 = -1/24 Net = (3+2-1)/24 = 4/24 = 1/6 Time = 6 hours
Statement:
A. Some elephants are whales.
B. Some fish are giraffe.
C. All giraffes are lions.
Conclusion:
(I) Som...
M5E$RB3AK7#9$UDIN4%FH2@8W. How many such consonants are there in the above sequence each of which is immediately followed by a number and immediately p...
Pointing to a girl, Akash said, “She is the daughter of the only child of my grandmother.” How is that girl related to Akash?
Five friends, K, J, I, H and G appear in an entrance examination and each of them gets different marks. J gets more marks than H but less than G. I gets...
Select the option which is related to the third word in the same way as the second word is related to the first word.
Russia : Ruble :: Argenti...
In a certain code language, 'TRUCK' is written as 'UQVBL'. How will 'STAND' be written in that code language?
Statement:
The most precious thing for a child is the attention given to him by his parents; Therefore, the emotional needs of children shoul...
Identify the wrong number in the series given below.
22 120 338 724 1324 2192
Identify the number which does not belong to the following series.
5 20 50 65 95 115 140
I asked her / that why she was / beating about the bush.
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