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Time taken by A alone to complete the entire work = 15/0.5 = 30 days Time taken by B alone to complete the entire work = 30 + 10 = 40 days Let the total work = L.C.M of 30, 40 and 20 = 120 units Then, efficiency of B = (120/40) = 3 units/day Combined efficiency of B and C = (120/20) = 6 units/day So, efficiency of C alone = 6 – 3 = 3 units/day So, time taken by C alone to complete the entire work = (120/3) = 40 days
How many letters are there in the given series which are immediately followed by a number?
N 8 9 B @ A 7 % 8 N P @ P R N 9 @ B # 7 H 8
In the following question, select the related letters from the given alternatives.
LW : OD :: DH: [?]
6 : 120 : : 24 : ?
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
...Which word will best complete the relationship given below?
Hygrometer : Humidity :: Barometer : ?
Select the option that is related to fourth number in the same way as the first number is related to the second number and the fifth number is related t...
Select the related word/ letters/ number from the given alternatives.
PJQR : QKIJ :: RJDY : ?
GTSN : 7201914 :: UNEP : ?
If 43 # 24 = 20 and 35 # 15 = 20, then 48 # 33 = ?
Select the option that is related to the third number in the same way as the second number is related to the first number.
16: 208 :: 25: ?
