Math MCQ Part-15

The average weight of 8 persons increased by 2.5 kg when a new person comes in place of one of them weighting 45 kg. What is the weight of the new person ?

The length of a road is one kilometer. The number of plants required for plantation at a gap of 20 meters in both sides of the road is :

If a: b = 2:5 and b: c=3:4, find the value of a: b: c.

Three numbers are in the ratio of 3: 4 :5 and their L.C.M. is 4200. Their H.C.F. is

While selling an article of marked price Rs. 5,040 at a discount of 40%, if a trader gains 20%, then the profit in Rs. is :

X and Y together can finish a piece of work in 15 days, while Y alone can finish it in 40 days. X alone can finish the work in :

Find the amount Ram will get after 2 years when he invests 15000 at 15% interest.

In an election, a candidate secures 40% of the votes but is defeated by the only other candidate by a majority of 298 votes. Find the total number of votes recorded.

A car covers a distance of 90 km in 50 minutes. What is its speed (in m/sec.) ?

70% of the cost price of a article is equal to the 40% of its selling price. What is the profit or loss percent ?