Question Paper from: RBI Assistant Prelims 2016

There are 4 white, 6 black and 2 red balls in a bucket, 3 balls are taken out randomly. What is the probability that all three balls are of different colours.

6 women and 10 children together take six days to complete a piece of work. How many days will 10 children take to complete that piece of work if six women together can complete the same piece of work in 10 days?

The radius of a cylinder is increased by 50%. By what percentage the height be increased or decreased to get an overall volume increase of 75%.

If the loss on a product is 30% of the selling price, then what is the cost price to loss ratio?

A shopkeeper bought a Radio and a USB speaker for Rs. 840. He sold them by making a profit of 15% on Radio and 10% on USB speaker. And, he got a profit of Rs. 102. Find the difference between the cost price of the Radio and USB speaker.

At present, Aruna's age is 1.5 times the age of Pujan and twice the age of Sony. After six years, Aruna will be 1.4 times the age of Pujan and Sony will be 0.8 times the age of Pujan then, what is the present age of Sony?

A job can be completed by a person A alone in 24 days and by another person B alone in 40 days. A and B work on the job together and C works with them for 6 days. The three complete the job in 12 days. In how many days can C alone complete the job?

The strength of a university is 4500. The no. of boys and girls is increased by 12% and 17% respectively. As a result, the strength of the university becomes 5125. Find the no. of girls in the university

A boat running downstream cover a distance of 20km in 2 hours. While coming back, the boat takes 4 hours to cover the same distance. What is the speed of the boat in still water (in kmph)?

The cost of 14 kgs of rice is 672, the cost of 12 kgs of wheat is 432 and the cost of 18 kgs of sugar is 504. What is the total cost of 20 kgs of rice, 15 kgs of wheat and 16 kgs of sugar?

Prachi deposits an amount of ₹ 78,000 to obtain a simple interest at the rate of 13 p.c.p.a. for 3 years. What total amount will Prachi get at the end of 3 years?

The simple interest accrued on an amount of ₹ 84000 at the end of 3 yr is ₹ 30240. What would be the compound interest accrued on the same amount at the same rate in the same period?

A man uses 25% of his salary for his monthly expenditures, 12.5% on children’s education and the rest 25000 is equally divided among savings, investments and miscellaneous expenditures. What is the difference between the amount of money used for monthly expenditures and savings and the amount of money used for education and investment?

Mohit starts a business with Rs. 8,500 and after 12 months Nishant joins Mohit as his partner. After 3 years the profit is divided in the ratio of 15 : 12. What is Nishant’s contribution in the capital?