## Railway RRB Group D 2018 Mathematics Practice Questions

Railway RRB Group D Mathematics Questions 2018. Welcome to the www.letsstudytogether.co online Railway RRB Group D section. If you are preparing Railway, RRB ALP and RRB Group D Exams 2018, you will come across a section on “General Mathematics”. Here we are providing you with “Important RRB Group D 2018 Mathematics Practice Questions”   based on the latest pattern of your daily practice.

This “Railway RRB Group D 2018 Mathematics Practice Questions“is also important for other Railway exams such as RRB ALP & Technicians Exam 2018.

## RRB Group D 2018 Mathematics Practice Questions | Set-1

1. A home theatre set is marked at Rs. 4950. If two successive discounts of 20% and 15% are given, then its selling price is?

A. Rs. 3366

B. Rs. 6633

C. Rs. 3636

D. Rs. 6363 2.If 15% of x is three times of 10% of y, then x : y =

A. 1:2

B. 2:1

C. 3:2

D. 2:3

B. 2:1 3. A gun is fired at a distance of 6.64 km away from Ram. He hears the sound 20 seconds later. Then the speed of sound is?

A. 664 m/s

B. 664 km/s

C. 332 m/s

D. 332 km/s

C. 332 m/s 4.Given that tan(θ + 15°) = √3. Then the value of θ is?

A. 15°

B. 75°

C. 45°

D. 65°

5.The difference between the greatest and least five digit numbers formed by the digits 2, 5, 0, 6, 8 is (repetition of digits are not allowed)-

A. 69552

B. 65925

C. 65952

D. 63952

C. 65952 6.Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. The ratio between the capacity of a man and a woman is:

A. 3 : 4

B. 4 : 3

C. 5 : 3

D. 5 : 7

B. 4 : 3 7.The product of two positive integers is 2048 and one of them is twice the other . Then the smaller number is:

A. 32

B. 64

C. 16

D. 1024

A. 32

8.The diagonal of a cuboid of length 5 cm, width 4 cm and height 3 cm is:

A. 5√2 cm

B. 2 √5 cm

C. 12 cm

D. 10 cm

A. 5√2 cm 9. A. 9

B. 5

C. 7

D. 3

C. 7 10. In case of an acute angled triangle, its orthocentre lies –

A. inside the triangle

B. outside the triangle

C. on the traingle

D. on one of the vertex of the triangle

In acute angle case, its orthocentre lies inside the triangle

## Daily Railway RRB Group D Practice Questions 2018

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