MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your UPSEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A train of length 100 m travelling at 20 m/s overtakes another train of length 200 m travelling at 10 m/s. The time taken by the first train to pass the second train is |
| A. | 30 s |
| B. | 50 s |
| C. | 10 s |
| D. | 40 s |
| Answer» B. 50 s | |
| 2. |
In a right angle ΔABC, angle A = 90° and sides a, b, c are respectively 10 cm, 8 cm and 6c.m.If a force F has moments 0, 64 and 36 N-cm respectively about vertices A, B and C, then magnitude of F is |
| A. | 9 |
| B. | 4 |
| C. | 10 |
| D. | 8 |
| Answer» D. 8 | |
| 3. |
The number of solutions of the system ofequations 2x + y -z = 7, x -3y + 2z = 1 and x + 4y -3z = 5 is |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 4. |
The probabilities that Mr. A and Mr. B will die within a year are 1/2 and 1/3 respectively, then the probability that only one of them will be alive at the end of the year, is |
| A. | 5/6 |
| B. | 1/2 |
| C. | 2/3 |
| D. | None of the above |
| Answer» C. 2/3 | |