Question
In what time would a cistern be filled by three pipes
whose diameter are 2cm, 2*2/3cm, 4cm running together, when the largest pipe alone fill the cistern in 122 minutes the amount of water flowing in  by each pipe being proportional to the square of diameter?Solution
Total Efficiency = 9 + 16 + 36 = 61 Pipe 3rd alone can fill the cistern in 122 min (given) ∴ Capacity of the tank = (36 × 122) = 4392 Time taken by all pipes together = 4392/(61 )= 72 minutes
Select the correct mirror image of the given figure, when the mirror is placed to the right side of the figure.
46 boys are standing in a row facing the North. Ram is 14th from the left and Vikrant is 29th from the right end of the row. How f...
Statements:
Only a few solutions is answer.
None of the answer is reason.
No reason is an application.
Conclusions:
I...
Which of the following alternatives would be the missing figure in the series given below?
According to the dictionary order, which of the following word will come at third position?
1- Father
2- Forest
3- Fair
4- Faint
5- Football
6- Farther
Select the option in which the numbers share the same relationship as that shared by the given pair of numbers.
(152, 216)
(174, 238)
Which of the following numbers will replace the question mark (?) in the given series?
7, 15, 30, 62, 125, 253, ?Â
In a certain code RUMOUR is written as 49×794 and GRAM is written as #4@×. How will you write MARGO in that code?
Select the option that is related to the third word in the same way the second word is related to the first word.
Mimic: Imitate :: Meander: ?What is the relation of T with respect to S?
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