# RRB Group D Mathematics

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# RRB Group D Mathematics

RRB Group D 2018 – CBT Examination, conducted in online Mode, has: a duration of 90 Min, a total of 100 questions and consists of 4 sections, namely – Mathematics, General Intelligence & Reasoning, General Science, General Awareness on Current affairs. Candidates must clear the cut-off in all the sections to qualify for further stages.

### Pattern

S.No Sections No. of Questions Time allocated
1 Mathematics 100 90 minutes
2 General Intelligence and Reasoning
3 General Science
4 General awareness on current affairs

Below mentioned are the different categories of expected questions in the RRB Group D Mathematics section of CBT Exam.

### Syllabus

S.No Topics
1 Number system
2 BODMAS
3 Decimals, Fractions
4 LCM, HCF
5 Ratio and Proportion
6 Percentages, Mensuration
7 Time and Work; Time and Distance
8 Simple and Compound Interest
9 Profit and Loss
10 Algebra
11 Geometry and Trigonometry
12 Elementary Statistics
13 Square Root
14 Age Calculations
15 Calendar & Clock
16 Pipes & Cistern

### Samples

1. Find the largest five digit number that is divisible by 7, 10, 15, 21 and 28.

A. 99,840
B. 99,900
C. 99,960
D. 99,990

2. Find the lowest common multiple of 24, 36 and 40.

A. 120
B. 240
C. 360
D. 480

3. The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:

A. 20
B. 30
C. 48
D. 58

4. Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

A. 15
B. 16
C. 18
D. 25

5. Can you find out what day of the week was January 12, 1979?

A. Monday
B. Sunday
C. Friday
D. Saturday
E. Tuesday