Project Lead interview questions

How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a mixture whose cost is Rs.52 per liter?

A and B entered into a partnership investing Rs.25000 and Rs.30000 respectively. After 4 months C also joined the business with an investment of Rs.35000. What is the share of C in an annual profit of Rs.47000?

Find the number that has a 5:1 ratio to the number 10?

A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water?

X can do a piece of work in 4 days. Y can do it in 5 days. With the assistance of Z they completed the work in 2 days. Find in how many days can Z alone do it?

Two pipes A and B can fill a cistern in 20 and 30 minutes respectively, and a third pipe C can empty it in 40 minutes. How long will it take to fill the cistern if all the three are opened at the same time?

The sum of the square of the three consecutive even natural numbers is 1460. Find the numbers?

The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number?

X can give Y 100 meters start and Z 200 meters start in a kilometer race. How much start can Y give Z in a kilometer race?

The speed of a train is 90 kmph. What is the distance covered by it in 10 minutes?

What is project life cycle.