RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 651

Question 652

Question 653

Question 654

Question 655

Question 656

Question 657

Question 658

Question 659

6 \(\sqrt3\)

7 \(\sqrt3\)

5 \(\sqrt3\)

4 \(\sqrt3\)

Question 660

Question 661

Question 662

Question 663

Question 664

Question 665

Question 666

Question 667

Question 668

Question 669

Question 670

Question 671

Question 672

PR < PQ < QR

QR < PR < PQ

PQ < PR < QR

QR < PQ < PR

Question 673

Question 674

Question 675

The combined present age of P and Q is 46 years. 2 years ago from now, P was twice as old as Q. What is the present age of P?

The sides of two square gardens are 16 m and 25 m, respectively. A third square garden is to be constructed such that the length of its side is the mean proportional between the sides of the given two gardens. What will be the length of the side of the new square garden?

A specialized printing machine can print 2400 pages in 1 hour and 20 minutes. At this steady rate, how many pages can the machine print in 45 minutes?

Three numbers are in the ratio 9 : 7 : 5, and their LCM is 2205. Their HCF is:

Simplify: \(55\tfrac18+55\tfrac38+55\tfrac58+55\tfrac78\)

The sum of two positive numbers is 32 and their product is 220. The positive difference between them is:

What sum (in ₹) will earn a simple interest of ₹1,440 in 2 years at 16% per year rate of interest?

If the mean of the following data is 40, find the missing frequency. x 10 20 30 40 50 60 frequency&nbsp; 2 3 1 4 f 4

A person standing on level ground looks up at the top of a vertical tower. The angle of elevation formed at the observer's eye is 60°. If the tower is 18 m high, determine the horizontal distance (in meters) between the person and the base of the tower.

An article is marked at ₹3,000. The shopkeeper offers successive discounts of 10% and 20%. What is the final selling price of the article?

Find the mode for the following distribution. CL 40-45 45-50 50-55 55-60 60-65 65-70 70-75 75-80 Frequency&nbsp; 4 4 13 5 6 5 2 1

Evaluate \(23^3 + (-11)^3 + (-12)^3\)

If the simple interest on a sum of ₹9,800 is ₹16,562 for a period of 13 years, find the rate of interest per annum.

A parallelogram has sides 12 cm and 9 cm long. The length of one of its diagonals is 15 cm. What is the area (in cm2) of the parallelogram?

Find the positive integral value of x if the fourth proportional of x, x + 1, 2x + 3 is y and y = 3x + 3.

A jacket has a marked price of ₹5,000. The shopkeeper offers two successive discounts of 20% and 30%. What is the final selling price?

The mean proportional of 0.15 and 0.000135 is ______.

Priyal is 5 years younger than her brother. After 4 years, the sum of their ages will be 39 years. What is Priyal's current age?

Rohit walks at a speed of 6 km/hr. How much time will he take to cover 12 km?

An article is marked for ₹2,000. A 25% discount is offered on the marked price, followed by a second discount of 10% on the new price. What is the final selling price of the article?

Sides PQ and QR of a ∆PQR are produced to points S and T. If ∠PRT &gt; ∠RQS &gt; 50° and ∠PRT + ∠RQS = 220°, which of the following statements is true?

The frequency distribution of the hourly wages rate of 100 employees of a paper mill is follows. Find the median wage rate (in ₹). Wages Rate (in ₹)&nbsp; 54-56 56-58 58-60 60-62 62-64 Number of Workers&nbsp; 20 20 20 20 20

Two taps can fill a cistern in 4 hours and 15 hours, respectively. A third tap can empty it in 15 hours. How long (in hours) will it take to fill one-fourth of the empty cistern if all the taps are opened together?

A stationery shop sells notebooks and pens. The cost of 4 notebooks and 6 pens is ₹228. The cost of 7 notebooks and 6 pens is ₹333. Find the cost of one notebook.

If the mean of the following data is 40, find the missing frequency. x 10 20 30 40 50 60 frequency 2 3 1 4 f 4

Find the mode for the following distribution. CL 40-45 45-50 50-55 55-60 60-65 65-70 70-75 75-80 Frequency 4 4 13 5 6 5 2 1

Sides PQ and QR of a ∆PQR are produced to points S and T. If ∠PRT > ∠RQS > 50° and ∠PRT + ∠RQS = 220°, which of the following statements is true?

The frequency distribution of the hourly wages rate of 100 employees of a paper mill is follows. Find the median wage rate (in ₹). Wages Rate (in ₹) 54-56 56-58 58-60 60-62 62-64 Number of Workers 20 20 20 20 20