RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 401

Question 402

Question 403

Question 404

Question 405

Question 406

Question 407

Question 408

Question 409

Question 410

Question 411

Question 412

Question 413

Question 414

Question 415

Question 416

Question 417

Question 418

140 in A, 84 in B

150 in A, 84 in B

140 in A, 196 in B

140 in A, 96 in B

Question 419

Question 420

Simple Interest = Principal + Rate + Time

Simple Interest = Principal x Time / Rate

Simple Interest = Principal x  Rate / Time

Simple Interest = (Principal x Rate x Time) / 100

Question 421

Question 422

Question 423

Question 424

Question 425

The sum of two positive numbers is 27 and their product is 176. The positive difference between them is:

A man was seven times older than his son five years ago and is now four times older. What is the son's present age?

The LCM of the numbers 5, 8.3 and 0.19 is:

A sum, when invested at 20% simple interest per annum, amounts to ₹5,280 after 3 years. What is the simple interest (in ₹) on the same sum at the same rate in 2 years?

A and B can do a piece of work in 12 days and 30 days, respectively. Both work for 2 days and then A leaves. How long (in days) will B take to complete the remaining work?

Find the third proportional to 8 and 16.

The total surface area of a cube having side 94 cm is:

During a sale, 50% of the goods are sold at 36% profit, 40% of the remaining goods are sold at 14% profit and the still remaining goods are sold at a loss of 21%. If there is an overall profit of x%, then what is the value of x?

A borrower takes a loan of ₹1,860 at a simple interest rate of 12% per annum. After some years, the total amount payable becomes ₹2,529.60. For how many years was the loan taken?

What should come in place of the question mark (?) in the following equation? \((32 \div 0.8 \times\ ?) - 72 = 6! \div (4 \times 5 + 10)\)

Kavita's monthly salary increased by 25%, and then decreased by 20%. If her initial salary is ₹58,000, what was her final salary?

P sells an item to Q at 25% profit. Q sells the same item to R at 60% loss. If R paid ₹5,166 for the item, then at what price (in ₹) is the item purchased by P?

By selling lemons at 5 for a rupee, a man loses 34%. To gain 10% how many must he sell for a rupee?

An article is sold at a profit of 21%. If the cost price is increased by ₹50 and the selling price is reduced by ₹69, then the profit would be 13.6%. What is the original cost price (in ₹) of the article?

A man walks 6 km at a speed of 6 km/h and then runs 18 km at a speed of 9 km/h. What is his average speed (in km/h) for the entire distance?

What is the mode of the following data? 43, 40, 41, 53, 50, 41, 44, 45, 43, 46, 48, 46, 51, 55, 52, 42, 46, 45

A company has two departments, ‘A’ &nbsp;and ‘B’, with employees in the ratio&nbsp; \(5:7\) , respectively. If 28 employees are transferred from department ‘B’ to ‘A’, the ratio becomes&nbsp; \(1:1\) . How many employees does each department have originally?

Which formula correctly calculates simple interest when the principal, rate, and time are known?

What smallest positive number should be subtracted from 3 and 5 so that 8 is the third proportional to them?

Find the smallest number which when divided by 9, 12 and 15 leaves a remainder 3 in each case.

The difference between the measure of an interior angle and an exterior angle of a regular polygon is 100°. What is the number of sides of the polygon?

A and B invest ₹12,000 and ₹8,000, respectively, in a business. If the total profit is ₹10,000, what is A's share of profit?

A company has two departments, ‘A’ and ‘B’, with employees in the ratio \(5:7\) , respectively. If 28 employees are transferred from department ‘B’ to ‘A’, the ratio becomes \(1:1\) . How many employees does each department have originally?