RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 626

Question 627

900 m and 134 km/h

600 m and 135 km/h

500 m and 135 km/h

900 m and 135 km/h

Question 628

Question 629

192 cubic cm

201 cubic cm

320 cubic cm

942 cubic cm

Question 630

Question 631

Question 632

Question 633

Question 634

Question 635

60% increase

50% increase

40% increase

25% increase

Question 636

Question 637

Question 638

Question 639

Question 640

Question 641

Question 642

Question 643

Question 644

Question 645

Question 646

Question 647

Question 648

Question 649

Question 650

Two pipes, A and B, can fill a tank in 20 minutes and 30 minutes, respectively. A waste pipe C can empty it in 60 minutes. All three are opened together. After 10 minutes, pipe C is closed. How much total time will it take to fill the tank?

A train A passes a fixed pole in 24 seconds. The same train completely crosses another train B of length 150 m coming from the opposite direction in 20 seconds. Train B’s speed is 54 km/h. Find the length and the speed of train A.

A pen is priced at ₹47. A scheme offers “Buy 4, Get 1 at 50% off”. What is the effective price per pen?

A cylindrical pipe has an external radius of 8 cm and an internal radius of 7 cm. If its length is 20 cm, what is the volume of material used in the pipe?&nbsp; (Use&nbsp; \(\pi = 3.14\) )

If \(x\) is the fourth proportional of 37, 25 and 888, what is the value of \(x\) ?

A daily commuter usually reaches his office on time by driving at a speed of 40 km/hr. One day, due to traffic, he drives at 30 km/hr and reaches 20 minutes late. What is the distance to his office?

What sum (in ₹) will earn a simple interest of ₹1,320 in 4 years at 12% per year rate of interest?

What least value must be given to \(n\) so that the number \(5135n2\) becomes divisible by 9?

Five years ago, Rahul was twice as old as his brother. If Rahul is 10 years older than his brother, what is Rahul’s present age?

A person spends 75% of his income. If his income increases by 20% and his expenditure increases by 10%, what is the percentage change in his savings?

The 7-digit number 77A444B is divisible by 24. What is the maximum value of (A + B)?

A car travels 560 km in 9.5 hours, partly at 40 km/h and partly at 160 km/h. Find the distance travelled at 160 km/h.

Two banks, A and B, offered loans at 3.5% and 6.5% per annum, respectively. Ashish borrowed an amount of ₹3,40,000 from each bank. Find the positive difference between the amounts of simple interest (in ₹) paid to the two banks by Ashish after 2 years.

Three positive numbers are in proportion such that the ratio of the first number to the second number is the same as the ratio of the second number to the third number. If the first number is 16 and the second number is 24, find the value of the third number.

The price of an article is increased by 20%. In the next step, it is decreased by x% of the new price. Finally, the price is increased by 10% of the original price. If the final price becomes exactly equal to the original price, the value of x is:

A four-digit number 3P2Q is divisible by both 2 and 3. Find the smallest value of P + Q.

If the mean proportional between x and 36 is 12, find x.

The price of an article is first increased by 20% and then decreased by 20%. If the original price of the article is ₹500, what is the net percentage change in the price?

A man bought an article and sold it at a profit of 15%. If he had bought it at 25% less cost price and sold it for ₹294 less than the original selling price, he would have made a profit of 30%. Find the cost price of the article.

A bus travels 90 km at 45 km/h, 120 km at 60 km/h, and 150 km at 75 km/h. What is the average speed of the bus for the entire journey?

Pipes A and B can fill a tank in 12 hours and 15 hours, respectively. A third pipe C can empty the full tank in 20 hours. If A and B are opened together for 2 hours and then C is also opened, what is the total time taken to fill the tank?

Arun sold an article for ₹1,786.40 and incurred a loss of 12%. At what price should he sell the article to earn a profit of 14%?

Two taps can fill a cistern in 4 hours and 8 hours, respectively. A third tap can empty it in 8 hours. How long (in hours) will it take to fill one-fourth of the empty cistern if all the taps are opened together?

The cost of 5 chairs and 3 tables is ₹12,500, while the cost of 3 chairs and 5 tables is ₹15,500. Find the cost of 2 chairs and 2 tables.

Sixteen identical solid cubes, each of side 2 cm, are melted and recast into a cuboid whose length is twice its breadth and height equals its breadth. Find the volume of the cuboid.

A cylindrical pipe has an external radius of 8 cm and an internal radius of 7 cm. If its length is 20 cm, what is the volume of material used in the pipe? (Use \(\pi = 3.14\) )