A takes 45 days A and B together takes 15 days LCM of 45 and 15 = 45 units Efficiency of A = 45/45 = 1 Efficiency of A and B = 45/15 = 3 So, efficiency of B = 3 – 1 = 2 B does 20% of the total work. Then, 20% of 45 = 9 units So, B will take 9/2 = 4.5 days to complete the work.
Among Bhanu, Mitu, Toto, Kalu and Salu, each one of them earn different salaries, Mitu earns more than only toto. Bhanu earns more than Mitu and Salu bu...
Who is the tallest?
Five persons T, U, V, W and X have different weights. U is the lightest person. V is heavier than W but lighter than X. T is lighter than W. Who among t...
Who among the following writes the book three persons before T?
If the sum of the weights of U and S is 100kg then, what can be the weight of item P?
Six persons P, Q, R, S, T, and U have different number of marks with them. S has more marks than T, who has more marks than U. R has more marks than S. ...
In a class, Arhin’s rank was 30 from the top and 48 from the bottom. If his rank became 57 from the top, then what will be his rank from the bottom?
In a class of 25 students, a girl is ranked 10th. When two girls joined, her rank was dropped by one. What is her new rank from the end?
Rita is more intelligent than Sita. Sita is not intelligent as Gita. Mita is more intelligent than Gita but not as good as Rita. Who is the most intelli...
Sunil ranks twenty - first in a class of 65 students. What will be his rank if the lowest student is assigned as rank 1?
