Quantitative Aptitude - Arithmetic Ability Questions

Select the odd letters from the given alternatives.

The selling price of an article is 8/5th of its cost price. Then the gain percentage is

If angles of a quadrilateral are in the ratio 3:5:9:13, find the largest angle?

∆DEF is right angled at E. If cosD = 5/13, then what is the value of tanF?

Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?

30 men can do a piece of work in 16 days working 8 hrs a day. How many men are needed to complete another work, which is twice the first one, in 10 days working 12 hrs a day?

The following are the steps involved in solving the above problem. Arrange them in sequential order.

The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?

Two trains start from a certain place on two parallel tracks in the same direction. The speed of the trains are 45 Km/hr and 40 Km/hr respectively. The distance between the two trains after 45 minutes will be