A, B and C can all together do piece of work in 20 days, in which B ta – McqOptions

MCQOPTIONS

1.	A, B and C can all together do piece of work in 20 days, in which B takes twice as long as A and C together do the work and C takes twice as long as A and B together take to do the work. In how many days B can alone do the work?
A.	40
B.	35
C.	60
D.	45
Answer» D. 45

Discussion

No Comment Found

Related MCQs

Find the Value of tan60° + tan120°?
The ratio of the volumes of two cubes is 729: 1331. What is the ratio of their total surface areas?
What will be unit’s digit in the result of the expression3^69 * 7^71 * 9^5?
The ages of the two persons differ by 20 years. If 5 year ago, the older one be 5 times as old as the younger one, then their present ages, in year are:
The HCF and LCM of two num¬bers are 12 and 924 respectively. Then the number of such pairs is
A vessel contains 180 litres of mixture of milk and water in the respective ratio of 13 : 5. Fifty-four litres of this mixture was taken out and replaced with 6 litres of water, what is the approximate percentage of water in the resultant mixture?
What is the largest 3 digit number exactly divisible by 18?
If A =x% of y and B =y%of x, then which of the following is true?
The cost price of item B is Rs. 200/- more than the cost price of item A. Item A was sold at a profit of 20% and item B was sold at a loss of 30%. If the respective ratio of selling prices of items A and B is 6 :7, what is the cost price of item B?
A, B and C can all together do piece of work in 20 days, in which B takes twice as long as A and C together do the work and C takes twice as long as A and B together take to do the work. In how many days B can alone do the work?