Total capacity of tank = 60 {LCM of 20 and 15} Efficiency of pipe 'Q' = 60/20 = 3 units per hr Efficiency of pipe 'R' = 60/15 = 4 units per hr Required time = 60/7 = 8(4/7) hrs Hence, option c.
B4, D16, F36, H64, ?
Which of the following letter-clusters can replace the question mark (?) In the given series to make it logically complete?
NJU, KFR, HBO, EXL,?
Six family members – A2, B2, C2, D2, E2, and F2 are sitting around a circular table facing away from the centre. B2 sits immediate left of A2. F2 is s...
Statements:
All tables are chairs.
All chairs are fan.
Some fan are bulb.
Conclusion:
I. All chairs are tables....
Which of the following numbers will replace the question mark (?) in the given series?
7, 15, 30, 62, 125, 253, ?
If D = 4 and NEWS = 61, then LOWER =
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
Cyclone : Anticyclone :: Flood : ?
Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the...
What is the relation of T with respect to S?