Quick Links

Tag: mathematics mcqs

One rupee coin is tossed twice. What is the probability of getting two consecutive heads?

(A) 1/2
(B) 1/4
(C) 3/4
(D) 4/3

M do a piece of work in 45 days and N can finish it in 40 days. They work together for 5 days and then M leaves. In how many days will N finish the remaining work?

(A) 30 5/9
(B) 29 4/9
(C) 31 3/5
(D) 29 5/9

P,Q and R can complete a piece of job together in 20 days. All the 3 started working at it together and after 8 days P left. Then Q and R together completed a job in 20 more days. P alone could complete the work in?

(A) 30
(B) 40
(C) 50
(D) 60

P and Q can do a piece of job in 24 days; Q and R can do it in 30 days while R and P can finish it in 40 days. If P, Q, R works together, in how many days will they finish the job? In how many days will each one of them finish it, working alone?

(A) 15,25,35,45
(B) 20,30,40,120
(C) 20,30,40,50
(D) 20,25,30,60

X does half as much work as Yand Z does half as much work as X and Y together. If Z alone can finish the work in 120 days, then together ,all will finish the work in?

(A) 20
(B) 34
(C) 40
(D) 56

John can do a work in 25 days, while Smith can do the same work in 50 days. They started the work jointly. Few days Michael also joined them and thus all of them completed the whole work in 12 days. All of them were paid total Rs.900. What is the Share of Michael?

(A) 252
(B) 346
(C) 359
(D) 454

A officer undertakes to complete a job in 250 days. He employs 300 male for 50 days and they complete 1/2 of the work . He then reduces the number of male to 100, who work for 120 days, after which there are 20 days holidays. How many male must be employed for the remaining period to finish the work?

(A) 25
(B) 35
(C) 45
(D) 50

A task is done by 46 persons not all of them have the same capacity to task. Every day exactly 2 persons, do the task with no pair of persons working together twice. Even after all possible pairs have worked once, all the persons together works for two more days to finish the task. Find the number of days in which all the persons together will finish the whole task?

(A) 44
(B) 45
(C) 46
(D) 47

error: Content is protected !!