A and B can do a piece of work in 4 days, while C and D can do the sam – McqOptions

MCQOPTIONS

1.	A and B can do a piece of work in 4 days, while C and D can do the same work in 12 days. In how many days will A, B, C and D do it together?
A.	12 days
B.	4 days
C.	3 days
D.	2 days
Answer» D. 2 days

Discussion

No Comment Found

Related MCQs

A man while returning from his factory, travels 2/3 of the distance by bus, 3/4 of the rest by car and remaining by foot. If he travels 2 km on foot, find the distance covered by him.
A man buys a land and gives for it 20 times the annual rent Find the rate of interest he gets for his money.
A boat takes 8 hours to cover a distance while travelling upstream, whereas while travelling downstream it takes 6 hours. If the speed of the current is 4 kmph, what is the speed of the boat in still water?
What should come in place of question mark (?) in the following number/alphabetic series? 24 ? 109 134 150 159
A basket contains 3 blue, 5 black and 3 red balls. If two balls are drawn at random, what is the probability that none of them is blue?
The radius of a circle is increased by 1%. Find how much % does its area increases?
In how many years does a sum of Rs. 5000 yield a simple interest of Rs. 16500 at 15% p.a.?
. A and B entered into a partnership investing Rs.25000 and Rs.30000 respectively. After 4 months C also joined the business with an investment of Rs.35000. What is the share of C in an annual profit of Rs.47000?
Two same glasses are respectively 1/4th 1/5th full of milk. They are then filled with water and the contents mixed in a tumbler. The ratio of milk and water in the tumbler is?
What number has a 5:1 ratio to the number 10?