RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 701

\(13\tfrac19\) %

\(11\tfrac19\) %

\(13\tfrac13\) %

\(11\tfrac13\) %

Question 702

Question 703

Question 704

Question 705

Question 706

Question 707

Question 708

Question 709

Question 710

Question 711

Question 712

Question 713

Question 714

Question 715

(i) and (iv)

(ii) and (iv)

(ii) and (iii)

(i) and (iii)

Question 716

Question 717

Question 718

Question 719

20% increase

10% increase

15% decrease

Question 720

Question 721

Question 722

Question 723

Question 724

Question 725

Surjeet buys 20 kg of sugar for ₹900. He sells 18 kg of sugar for ₹918. What is the percentage profit made by Surjeet?

A trader buys a mobile phone for ₹8000, spends ₹500 on repairs, and sells it at a profit of 20% on the total cost. Later, the buyer resells it at a loss of 25%. What price does the final buyer pay for the mobile phone?

Ravi buys an article with a discount of 25% on its marked price. He makes a profit of 10% by selling it at ₹1,320. The marked price of the article was:

Three numbers are in the ratio 3 : 7 : 2, and their LCM is 5376. Their HCF is:

What sum (in ₹) will earn a simple interest of ₹1,320 in 4 years at 8% per year rate of interest?

A store offers a 10% festival discount on the marked price of ₹900. Later, to clear the stock, it offers an additional 5% off on the already discounted price. What is the total amount paid by the customer?

The ratio of the radii of two spheres is 2 : 3. If the radius of the first sphere is increased by 50% and the radius of the second sphere is increased by 20%, find the ratio of their new volumes.

Evaluate \(25^3 + (-7)^3 + (-18)^3\)

In a class, the average weight of the boys is 65 kg and the average weight of the girls is 45 kg. The average weight of the whole class is 57 kg. What is the ratio of the number of girls to the number of boys in the class?

Find the third proportional to 8 and 48.2.

Two friends, P and Q, started a business by investing ₹3,000 and ₹600, respectively. At the end of one year, the business earned a total profit of ₹54,846. What is the share (in ₹) of P in the profit?

Two positive numbers are in the ratio 2:3. If the product of their LCM and HCF is 294, then find the sum of the two numbers.

324 × 24 = 7776. What will 7.776 ÷ 2.4 be equal to?

Pipes A, B and C can together fill a tank in 6 hours. After working together for 2 hours, C is closed and A and B together fill the remaining part in 7 hours. The time taken (in hours) by C alone to fill the tank is:

If the sum of two distinct consecutive prime numbers is 36, what is the product of the two primes?

The sum of the surface areas of two spheres is 12584 π sq. cm. The radius of the larger sphere is five times the radius of the smaller sphere. Find the diameter of the larger sphere.

An investor's portfolio value decreases by 30% in the first quarter but then increases by 50% in the next quarter. What is the overall percentage change in the portfolio value?

A shirt costs ₹655. During a sale, its price is reduced by 20%. What is the new price (in ₹) of the shirt?

A sum is invested at 8% per annum, compounded half‑yearly. If the amount after one year is ₹10,816, then what was the principal (in ₹)?

The sum of two positive numbers is 14 and their product is 45. The positive difference between them is:

A and B can do a piece of work in 12 days and 6 days, respectively. Both work for 2 days and then A leaves. B completed the remaining work alone. The whole work was completed in ______________ days.

The LCM of the numbers 15, 10 and 0.4 is:

Which of the following options is the nearest number to 95061 that is divisible by 9?