Basic Maths Mcqs

Q.  A can do piece of work in 30 days while B can do it in 40 days. In how many days can A and B working together do it ?

a. 70 days
b. 120/7 days
c. 50 days
d. 45 days


ANSWER: See Answer
 
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Category: Mathematics Quizzes,   Published by: T-Code Scripts
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Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every Third day ?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A and B together can complete a work in 1.2 days,. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work ?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last ?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman ?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in___________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A can do a certain work-in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in_________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A and B can do a work in 8 days, 13, and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in_________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A steamer goes downstream from one port to another in 4 hours, it covers the same distance upstream in 5 hours. If the speed of the stream is 2km/hr,the distance between the two parts is_______?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The speed of a motor boat is that of the current of water as 36:5. The boat goes along with the current in 5 hours 10 min, it will come back in_______?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A boat covers a distance of 30 km in 2 ½ hours running downstream while returning it covers the same distance in 3 ¾ hours. What is the speed of the boat in still water?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A boat goes 24 km downstream in 10 hours, it takes 2 hours more to cover the same distance against the stream. What is the speed of the boat in still water?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A boat running downstream covers 24 km’s in 4 hours while for covering the same distance upstream it takes 6 hours whats the speed of the boat in still water?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively?
Category: Mathematics Quizzes,   Published by: T-Code Scripts