RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 201

Question 202

Question 203

Question 204

Question 205

Question 206

Question 207

Question 208

Question 209

Question 210

Question 211

Question 212

Question 213

Question 214

Question 215

Question 216

Aman: ₹8,000, Raj: ₹7,000

Aman: ₹7,500, Raj: ₹7,500

Aman: ₹6,000, Raj: ₹9,000

Aman: ₹5,000, Raj: ₹10,000

Question 217

Question 218

Question 219

Question 220

Question 221

Question 222

Question 223

Any prime number

Any odd prime

Question 224

Question 225

A and B can complete a task in 20 days and 25 days, respectively. They started working together, but B left after 5 days. How many more days will A take to finish the remaining work?

The perimeter of a rectangle is 56 cm. Its length is 4 cm more than twice its breadth. Find the breadth.

A sum of ₹8,000 is invested at a compound interest rate of 12.5% per annum for 2 years, compounded annually. What is the compound interest earned?

If the compound interest on a sum for 2 years at 5% per annum is ₹102.50, what is the sum?

A solid cube is melted and half of its material is recast into a cuboid whose length, breadth, and height are in the ratio 2 : 1 : 1. The difference between the volume of the original cube and the cuboid formed is 250 cm 3 . Find the total surface area of the cuboid.

Find the third proportional to 6 and 12.

Three numbers in the ratio 2 : 5 : 7 are taken as the first, second, and third terms, respectively. If their fourth proportional is 140, find the middle number.

A bus covers 90 km in 3 hours. If the speed of the bus is increased by 5 kmph, find the time taken to cover a distance of 70 km?

The price of an article is increased by 25%. By what percentage should the increased price be reduced so that it becomes equal to the original price?

In a division sum, the divisor is 5 times the quotient and 4 times the remainder. If the remainder is 15, what is the dividend?

Two taps can fill a cistern in 4 hours and 10 hours, respectively. A third tap can empty it in 10 hours. How long (in hours) will it take to fill one-fourth of the empty cistern if all the taps are opened together?

Ritu covers a distance of 40 km at 20 km/h and another distance at 40 km/h in 3 hours. Find the average speed for the whole journey.

A sum of money amounts to ₹19,360 in 3 years at 10% per annum, compounded annually. The compound interest (in ₹) earned is&nbsp; (Round off your answer to the nearest paise.)

Three automatic doors in a metro station undergo system checks at regular intervals of 14 minutes, 18 minutes, and 21 minutes, respectively. If all three doors are checked together at the start, after how many minutes will they be checked together again for the first time?

Aman and Raj invested ₹12,000 and ₹18,000, respectively, in a business. After one year, they earned a profit of ₹15,000. How much profit will each get?

Find the median of the following data (correct to two places of decimal). Class interval&nbsp; 0-6&nbsp; 6-12&nbsp; 12-18&nbsp; 18-24&nbsp; 24-30&nbsp; 30-36&nbsp; Frequency 5 7 10 13 9 8

A cylindrical tank has a radius of 7 m and a height of 11 m. How many litres of water can it hold? (Use π = 22/7)

A shopkeeper bought 7 decorative lamps for ₹2,850. Due to damage, 2 lamps could not be sold. He sold the remaining lamps at ₹360 each. What is his total loss (in ₹)?

The cost of a certain fabric is directly proportional to its length for a given width. If the cost of 8 meters of the fabric is ₹3,200, what will be the cost of 25 meters of the same fabric?

Find the mode of the following distribution: Class 5-15&nbsp; 15-25&nbsp; 25-35&nbsp; 35-45&nbsp; Frequency&nbsp; &nbsp;6 &nbsp;14 &nbsp;18 &nbsp;12

40 persons begin to work together on a job. But after some days 10 persons left the work. As a result, the job which should have been completed in 50 days is completed in 60 days. How many days after the commencement of the work did the 10 persons leave?

If p is a prime number and GCD \((p^2 - 1,\ p^2 + 1) = 2\) , then the value of p must be:

A car covers a distance of 180 km in 3 hours. Find its average speed.

A sum of money amounts to ₹19,360 in 3 years at 10% per annum, compounded annually. The compound interest (in ₹) earned is (Round off your answer to the nearest paise.)

Find the median of the following data (correct to two places of decimal). Class interval 0-6 6-12 12-18 18-24 24-30 30-36 Frequency 5 7 10 13 9 8

Find the mode of the following distribution: Class 5-15 15-25 25-35 35-45 Frequency 6 14 18 12