RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 276

Question 277

Question 278

Question 279

Question 280

Question 281

Question 282

Question 283

Question 284

Question 285

Question 286

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Question 288

Question 289

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Question 299

96 square meters

64 square meters

192 square meters

48 square meters

Question 300

From a regular octagon of side 4 units, a largest rectangle is cut out. From the remaining pieces, two largest rectangles are cut out. The remaining area of the octagon is _____ square units.

If a recipe requires ingredients in the ratio 1:2 and you have 3 cups of the first ingredient, how many cups of the second ingredient should you use?

A cube is melted and recast into a cuboid whose dimensions are in the ratio \(4:5:8\) . If the height of the cuboid is 12 cm, then the edge of the original cube is (correct to 2 decimal places)

A school teacher observes that 4 years ago, her age was three times the age of her daughter at that time. 8 years from now, the teacher's age will be twice her daughter's age. What is the present age of the teacher?

In a division sum, the divisor is 9 times the quotient and 3 times the remainder. If the remainder is 42, what is the dividend?

A sum of money earns ₹2,400 as simple interest in 2 years at 12% per annum. Find the sum.

If the price of a shirt increases from ₹400 to ₹500, what is the percentage increase in the price?

2 men and 8 women can complete a piece of work in 13 days, and 3 men and 19 women can complete the same work in 8 days. The work of how many women is equivalent to that of one man?

Evaluate \(22^3 + (-13)^3 + (-9)^3\)

Three numbers are in the ratio \(17 : 5 : 11\) , and their LCM is 3740. Their HCF is:

Lata walks from home to the market, 20 km away, at 10 km/h. She stays there for 1 hour for shopping and returns home by an e-rickshaw at 20 km/h. Find the average speed for the whole trip.

The monthly incomes (in ₹ thousands) of ten employees are 35, 40, 38, 50, 46, 42, 39, 37, 41, and 44. What is the median income of the employees (in ₹ thousands)?

A shopkeeper marks the price of a washing machine 40% above its cost price. He offers a 25% discount on the marked price to attract customers. If the final selling price of the washing machine is ₹21,000, what was its cost price?

A metallic sphere of radius 6 units is melted and recast into 27 smaller identical spheres. Find the ratio of the surface area of the larger sphere to the sum of the surface areas of all the smaller spheres.

Two alloys A and B contain copper and zinc in the ratio \(3:4\) and \(5:9\) , respectively. If equal weights of both alloys are melted together to form a new alloy, what is the ratio of copper to zinc in the new alloy?

If the ratio of two numbers is \(8 : 3\) , and their HCF is 8, then their LCM is:

Let p and q be distinct positive prime numbers such that \(p &gt; q\) and \(p^2 - q^2 = 45\) . What is the value of \(p + q\) ?

Four prime numbers are listed in order. If the product of the first three is 105 and the product of the last three is 385, what is the largest prime number?

A recipe requires sugar and flour in the ratio \(7:11\) . If you have 154 grams of sugar and want to maintain the same proportion, how much flour should you use?

To earn ₹15,000 as simple interest in 5 months at 12% per annum, what should be the invested amount?

A train travels at a speed of 54 km/h for 20 minutes. What distance does it cover?

If the amount payable after 2 years is 1.1025 times of the sum invested, at compound interest (compounded annually), what is the rate of interest per annum?

A landscape architect is designing a garden in the shape of a quadrilateral where the diagonals intersect at right angles but are not equal in length. If the diagonals are 12 meters and 16 meters, what is the area of the garden?

The sum of two positive numbers is 51 and their product is 230. The positive difference between them is:

Let p and q be distinct positive prime numbers such that \(p > q\) and \(p^2 - q^2 = 45\) . What is the value of \(p + q\) ?