IBPS Clerk 2017 Mains Test: Quants Day 33

The average age of Sagar and Ganesh is 20 years. If Karthik replaces Sagar, the average age becomes 19 years and if Karthik replaces Ganesh, then the average age becomes 21 years. If the average age of Deepak and Chandu be half of the average age of Sagar, Ganesh, and Karthik ,then the average age of all the five people is?

The difference between average of first ‘n’ natural numbers and the average of squares of same ‘n’ natural numbers is 96 then what is the value of ‘n’?

If a sum of Rs. X is lent at 10% for 2 years it fetched Rs. 420 as interest then what is the value of X?

The total surface area of the cylinder is 10560 m^2 and the sum of height and radius of base of cylinder is 60 m. What is the ratio of height and radius of the cylinder?

In an office there are 40% female employees. 50% of all the male employees are computer literate. If there are total 62% employees computer literate out of the total 5200 employees, then the no. of female employees who are computer literate?

The ratio of present ages of A,B and C is 5:3:8. After five years the ratio of their ages is 6:4:9. Then what is the ratio of their before years?

The percentage profits on three articles X, Y, and Z is 20%, 10% and 25% and the ratio of their cost price is 1:3:4. Also, the ratio of the number of articles sold of X, Y and Z is 5:1:3. The overall profit percentage is?

A man can row 20 km/h in still water and he finds that it takes him thrice as much time to row up than as to row down the same distance in the river. The speed of current (in km/h)?

A train of length 360 meters takes 20 seconds to pass over another train 140 meters long coming from the opposite direction. If the speed of the first train be 30 kmph, the speed of the second train is?

Vinay can do a piece of work in 48 days. He started the work and left after some days, when 25% work was done. After it Rahul joined and completed it working for 72 days. In how many days Vinay and Rahul can do the complete work, working together?