1.

A contract on construction job specifies a penalty for delay in completion of the work beyond a certain date is as follows: ₹ 200 for the first day, ₹250 for the second day, ₹300 for the third day etc., the penalty for each succeeding day being ₹50 more than that of the preceding day. How much penalty should the contractor pay if he delays the work by 10 days?

UPSC-2011

2.

In a garrison, there was food for 1000 more soldiers joined the garrison. How long would the soldiers be able to carry on with remaining food?

UPSC-2013

3.

The tank-full petrol in Arun's motor-cycle lasts for 10 days. If he starts using 25% more everyday, how many days will the tank-full petrol last?

UPSC-2013

4.

24 men and 12 women can do a piece of work in 30 days. In how many days can 12 men and 24 women do the same piece of work?

UPSC-2022

A.

30 days

B.

More than 30 days

C.

Less than 30 days or more than 30 days

D.

Data is inadequate to draw any conclusion

5.

A freight train left Delhi for Mumbai at an average speed of 40 km/hr. Two hours later, an express train left Delhi for Mumbai, following the freight train on a parallel track at an average speed of 60 km/hr. How far from Delhi would the express train meet the freight train?

UPSC-2017

6.

Two persons, A and B are running on a circular track. At the start, B is ahead of A and their positions make an angle of 30ᵒ at the centre of the circle. When A reaches the point diametrically opposite to his starting point, he meets B. What is the ratio of speeds of A and B, if they are running with uniform speeds?

UPSC-2018