RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

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11.4% profit

12.5% profit

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110°, 110°, 110°

70°, 110°, 110°

70°, 90°, 110°

70°, 70°, 70°

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If the interest on a sum of ₹y at 2% per annum compounded annually for 2 years is ₹404, then the total amount payable at the end of the two-year period will be _________.

Find the smallest natural number x, for which 2x + 1 is not a prime number.

15 men and 19 women can complete a piece of work in 8 days, and 9 men and 4 women can complete the same work in 14 days. The work of how many women is equivalent to that of one man?

Two numbers differ by 8. If five times the smaller number is subtracted from twice the larger number, the result is 13. What is the larger number?

Three numbers are in the ratio of 19 : 7 : 13, and their LCM is 8645. Their HCF is:

Which of the following numbers is divisible by 11?

What sum (in ₹) will earn a simple interest of ₹1,320 in 3 years at 16% per year rate of interest?

If the difference between the ages of a mother and her daughter is 24 years, and the sum of their ages is 52 years, how old (in years) is the mother?

What is the ratio between the third proportional of 36 and 48 to the third proportional of 49 and 64?

The HCF and LCM of two numbers are 15 and 225, respectively. Which of the following pairs can be the numbers?

A cylindrical tank of radius 20 cm contains water up to a height of 10 cm. If 30 solid spheres, each of radius 7 cm, are completely immersed in the water, then the rise in the water level (in cm) is (Use \(\pi = 3.14\) )

A cistern is filled by two taps, C and D, in 54 minutes and 81 minutes, respectively. There is also a drain E at the bottom. If all three are opened simultaneously, the cistern is filled in 108 minutes. In how many minutes can drain E alone empty the cistern? (up to two decimal places)

A person travels three-fifths of the total distance from home to office by train, one-fourth by car, and the remaining 300 metres on foot. What is the total distance (in kilometres) from home to office?

A shopkeeper claims to sell rice at cost price, but uses a false weight and gains 25%. For 1 kg, how much rice does he actually give?

In a parallelogram, one angle is 70°. What are the measures of the other three angles?

If ₹5,000 is invested at 8% per annum compounded annually, what will be the compound interest earned after 2 years?

An item is sold after giving successive discounts of 10% and 20%. What is the net percentage reduction in its price?

Two taps can fill a cistern in 4 hours and 13 hours, respectively. A third tap can empty it in 13 hours. How long (in hours) will it take to fill one-fourth of the empty cistern if all the taps are opened together?

A shopkeeper marks a washing machine at ₹24,000. During a festival, he offers a 20% discount and sells it for an additional ₹800 less. What is the final selling price of the washing machine?

A shopkeeper sells an article to A at a profit of 20%. A sells it to B at a profit of 25%. If B pays ₹3,000, what is the cost price of the article for the shopkeeper?

A shopkeeper buys two types of notebooks. The cost of 3 notebooks of the first type and 5 notebooks of the second type together is ₹420. The cost of one notebook of the second type is ₹20 more than the cost of one notebook of the first type. What is the cost of one notebook of the first type?

Three friends, Amit, Bala, and Chetan, have savings in the ratio 5:7:9. If Bala's savings exceed Amit's by ₹3,600, what are Chetan's total savings?