RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 526

Question 527

Question 528

25.2% increase

24.2% increase

23.2% increase

26.2% increase

Question 529

Question 530

Question 531

Question 532

Question 533

Question 534

Question 535

Question 536

Question 537

Question 538

Question 539

Question 540

Question 541

Question 542

Question 543

Question 544

Question 545

Manish is taller by 10 cm

Manish is taller by 20 cm

Shyam is taller by 20 cm

Shyam is taller by 10 cm

Question 546

Question 547

10% decrease

10% increase

Question 548

Question 549

Question 550

\(150\sqrt3\) cm 2

\(140\sqrt6\) cm 2

\(150\sqrt7\) cm 2

\(150\sqrt6\) cm 2

The sum of two positive numbers is 44 and their product is 228. The positive difference between them is:

The average of five numbers is 24. If four of the numbers are 18, 20, 25 and 27, what is the fifth number?

A company's revenue increases by 20% in the first year, decreases by 10% in the second year, and increases by 15% in the third year. What is the overall percentage change in revenue over the three years?

The present ages of A and B are in the ratio 4:5. If after 8 years from now, A will be 32 years old, what is B's present age?

The arithmetic mean of 3, 7, 11, ..., 51 is ______.

The LCM of the numbers 7, 12.4 and 1 is:

A sum of ₹12,000 is invested at 10% per annum, compound interest, compounded half-yearly. What is the amount after 1.5 years?

The marked price of a machine is ₹16,000. The shopkeeper gives two successive discounts of 15% and N% to the customer. If the customer paid ₹12,240 for the machine, the value of N is:

In a class, the ratio of students who passed to those who failed is 11:2. If 44 students failed, what is the total number of students in the class?

The sum of two positive numbers is 31 and their product is 220. The positive difference between them is:

A person covers a certain distance. If he reduces his speed by 25%, by what percentage does the time taken to cover the same distance increase? (Rounded off to two decimal places)

The present age of Mohit is three times the present age of his son Rahul. After 12 years from now, Mohit's age will be twice Rahul's age. What is the sum of their present ages (in years)?

The diagonals of a rhombus are in the ratio 3 :4. If the length of each side of the rhombus is 12.5 units, what is the length of the shorter diagonal?

A trader buys an article, spends ₹50 on its repair, and sells it for ₹600, making a 25% profit. What was the original purchase price?

If a trapezium has bases of lengths 8 cm and 12 cm, and height of 5 cm, what is its area?

In a batch of 50 managers and supervisors, the average monthly salary of managers is ₹48,000 and that of supervisors is ₹42,000. If the overall monthly average salary of the batch is ₹44,400, find the number of supervisors in the batch.

A mobile phone is marked at ₹8,000. If two successive discounts of 15% and 10% are given, what is the selling price?

If the third proportional to 0.8 and 5.6 is n, then what is the value of n?

The ratio of the heights of Shyam and Manish is 7 : 8. If Shyam's height is 140 cm, who is taller and by how much?

A and B can do a piece of work in 12 days and 28 days, respectively. Both work for 3 days and then A leaves. How long (in days) will B take to complete the remaining work?

The price of a trouser is first increased by 20% and then decreased by 25%. What is the net percentage change in the price?

A car travels 120 km at 40 km/h, 180 km at 60 km/h, and 100 km at 50 km/h. What is the average speed of the car for the entire journey?

If a car travels 120 km using 8 liters of petrol, how much petrol will be required to travel 225 km?

The sides of a triangle are in the ratio 5:6:7 and its perimeter is 90 cm. What is the area of this triangle (in square cm)?