MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your RRB Junior Engineer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the average of all the prime numbers less than 30? |
| A. | 11.11 |
| B. | 12.90 |
| C. | 14.54 |
| D. | 9.625 |
| Answer» C. 14.54 | |
| 2. |
Aditi read 4/5th of Tintin comic book which has 100 pages. How many pages of the book is not yet read by Aditi? |
| A. | 40 |
| B. | 60 |
| C. | 80 |
| D. | 20 |
| Answer» E. | |
| 3. |
5 years ago, average age of P and Q was 15 years. At present, average age of P, Q and R is 20 years. What will be the average age after 10 years ? |
| A. | 35 years |
| B. | 40 years |
| C. | 30 years |
| D. | 50 years |
| Answer» D. 50 years | |
| 4. |
What is the minimum number that must be added to 9, 23, 41, 83 in order to make them proportional? |
| A. | 3 |
| B. | 7 |
| C. | 5 |
| D. | 9 |
| Answer» C. 5 | |
| 5. |
The smallest positive integer n with 24 divisors considering 1 and n as divisors is |
| A. | 420 |
| B. | 240 |
| C. | 360 |
| D. | 480 |
| Answer» D. 480 | |