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-4
1.A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is?
A. 18 days
B. 24 days
C. 9 days
D. 12 days
2. A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man’s rowing speed in still water is?
A. 15 km/hr
B. 5 km/hr
C. 3 km/hr
D. 10 km/hr
3. If 8% of a number is added to it, the result is 810 what is that number?
4.Which amongst the following is less than 1/5?
5.A profit of Rs. 960 is divided between A and B in the ratio 1/3:1/2. The difference of their profit is:-
A. Rs. 120
B. Rs. 160
C. Rs. 192
D. Rs. 240
6.How much time will be taken by a train 100 metres long to cross a pole at the speed of 40 km/hr.?
A. 9 sec
B. 10 sec
C. 9 2/3 sec
D. 9 1/2 sec
7.A chord of length 16 cm is drawn in a circle of radius 10 cm. The distance of the chord from the centre of the circle is:
A. 8 cm
B. 6 cm
C. 4 cm
D. 12 cm
8.If in ∆ABC, DE||BC, AB = 7.5cm, BD = 6cm and DE = 2cm, then the length of BC in cm is:
10. In a city, 40% of the people are poor. If total population of city is 30,000 then find the number of rich people-