Question
‘Amit’ is 1.5 times as efficient as ‘Bhuvan’, who
is 1/3 as efficient as ‘Chirag’. If Amit and Chirag together complete a work in 18 days, how long will Bhuvan and Dev take to do it if their efficiency ratio is 2:1 respectively?Solution
ATQ,
Let efficiency of Chirag = 3x units/day
Efficiency of Bhuvan = 3x / 3 = x units/day
Efficiency of Amit = 1.5x units/day
Efficiency of Dev = (x / 2) × 1 = 0.5x units/day
Total work = (Amit + Chirag) × 18 = (1.5x + 3x) × 18 = 81x units
Combined efficiency of Bhuvan and Dev = x + 0.5x = 1.5x units/day
Time = 81x / 1.5x = 54 days
Select the combination of letter that when sequentially placed in the blanks of the given series will complete the series.
L _ G _ T L I _ H S...
Select the number combination of letters that when placed sequentially in the blanks of the given series will complete the series.
L L E _ _ G...
In the following question, select the related number from the given alternatives.
32: 512 :: 24: ?
In the given arrangement, how many prime numbers are between 11 th element from the left end and 6 th element from the right end?
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.
Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.
M _ R _ _ E S _ A R B...
How many vowels are between A and @?
Which element is 7th to the right of the element, which is 13th to the left of '4'?
- In the given arrangement, how many such letters are there which are either immediately succeeded or immediately preceded by a prime number?
In the given series, how many numbers are immediately preceded by a symbol?
% 9 # V # U 9 H Z + X @ O C 7 J % L $ 6 @ 4 % 6 F 5 & 8 D A $
Relevant for Exams:
