Time Left - 10:00 mins

# NTPC Study Plan Day 29 - Attempt Quiz on Maths Questions

Attempt now to get your rank among 3703 students!

Question 1

If p1/3 + q1/3 − r1/3 = 0; then (p+q−r)3 + 27pqr is equal to:

Question 2

If a + b = 10 and ab = 24, then the value of a3 + b3 is

Question 3

If a boat goes a certain distance at 30 km/h and comes back the same distance at 20 km/hr, what is the average speed (in km/hr) for the total journey?

Question 4

The average age of 120 members of a society is 60.7 years. By addition of 30 new members, the average age becomes 56.3 years. What is the average age (in years) of newly joined members?

Question 5

What will be the amount on 25000 in 2 years at annual compound interest, if the rates for the successive years are 4% and 5% per annum respectively?

Question 6

Ram, Shyam and Mohan started a business by investing Rs7200, Rs10080 and Rs11520 respectively. Find the share of Ram out of an annual profit of Rs4000?

Question 7

A cuboidal tank has capacity to hold 343 liters of water. Its length is 3 times its depth, and width is half of one-third of the difference between length and depth. What is the length of the tank?

Question 8

A metallic sphere whose diameter is 3 cm is melted and formed a wire of radius 0.1 cm. What is the length of wire?

Question 9

Curved surface area of a cylinder is 660 sq cm. If circumference of its base is 44 cm, find the volume of the cylinder?

Question 10

If the price of a commodity is increased by % then by what percent, the family should reduce its consumption so that the expenditure of the family does not change.

Question 11

Population of a town increases by 12% every year. If the population of town will be 188160 after 2 years, then what is its present population?

Question 12

A man sold a scooter and a home theater for Rs. 24000 each. He gained 20% on home theater but lost 20% scooter. Find his net gain or net loss.

Question 13

The marked price of a helmet is 30% more than its cost price. If the helmet is sold for Rs 744 after a discount of Rs 36, then what will be the profit percentage?

Question 14

A man riding his bike at speed 72 km/h found a car 48 meters ahead of him. After 10 second the car is 52 meters behind the bike. What was the speed of the car?

Question 15

A cart can cover a distance in 1 hr 25 min by covering 2/3rd of the total distance at 4 km/h and rest at 3 km/h. What was the total distance?
• 3703 attempts Member since Feb 2018 GradeStack Learning Pvt. Ltd.Windsor IT Park, Tower - A, 2nd Floor, Sector 125, Noida, Uttar Pradesh 201303 help@byjusexamprep.com