MCQOPTIONS
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MCQOPTIONS
This section includes 70 Mcqs, each offering curated multiple-choice questions to sharpen your RRB (NTPC) knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Q: If x+y+z=6 and \(x^2\)+ \(y^2\) +\(z^2\)=20, then the value of \(x^3\)+\(y^3\)+\(z^3\)-3xyz is |
| A. | 64 |
| B. | 70 |
| C. | 72 |
| D. | 76 |
| Answer» D. 76 | |
| 52. |
Q: If \(x-{1\over x}\)=5, then the value of \(x ^4\)+ \({1\over x^4}\) . |
| A. | 727 |
| B. | 772 |
| C. | 722 |
| D. | 277 |
| Answer» B. 772 | |
| 53. |
Q: If the value of 16a+16b=42. What is the average of (a+b)? |
| A. | 44 |
| B. | 21 |
| C. | 24 |
| D. | 24 |
| Answer» C. 24 | |
| 54. |
Q: If the numerator of a fraction is increased by 20% and the denominator is not changed, the resultant fraction thus obtained is \({2\over3}\). What was the original fraction? |
| A. | \({3\over8}\) |
| B. | \({5\over8}\) |
| C. | \({4\over9}\) |
| D. | \({5\over9}\) |
| Answer» E. | |
| 55. |
Q: If the mass of the pendulum is doubled, the time period |
| A. | Becomes double |
| B. | Becomes half |
| C. | Becomes four time |
| D. | remains same |
| Answer» E. | |
| 56. |
Q: If P means ‘division’, T means ‘addition’, M means ‘subtraction’ and D means ‘Multiplication’ then what will be the value of expression 12 M 12 D 28 P 7 T 15? |
| A. | -30 |
| B. | -18 |
| C. | 15 |
| D. | -21 |
| Answer» E. | |
| 57. |
Q: If a certain language, MIRACLE is coded as NKUEHRL, then how is GAMBLE coded in the language? |
| A. | JDOCMF |
| B. | CLEMNK |
| C. | HCPFQK |
| D. | AELGMN |
| Answer» D. AELGMN | |
| 58. |
Q: How much penalty amount has been proposed for not providing way to emergency vehicles under Motor Vehicle (Amendment) Bill approved by cabinet? |
| A. | 5000 |
| B. | 8500 |
| C. | 10000 |
| D. | 15000 |
| Answer» D. 15000 | |
| 59. |
Q: How many electrons are there in Na+? |
| A. | 1 |
| B. | 10 |
| C. | 11 |
| D. | 12 |
| Answer» C. 11 | |
| 60. |
Q: How many Articles are there in the Indian Constitution? |
| A. | 395 |
| B. | 396 |
| C. | 398 |
| D. | 399 |
| Answer» B. 396 | |
| 61. |
Q: Find the highest common factor of 36 and 84. |
| A. | 4 |
| B. | 6 |
| C. | 12 |
| D. | 18 |
| Answer» D. 18 | |
| 62. |
Q: Dalchini is obtained from which part of plant? |
| A. | Leaves |
| B. | Stem |
| C. | Root |
| D. | Bark |
| Answer» E. | |
| 63. |
Q: Charak was the famous court physician of- |
| A. | Harsha |
| B. | Chandragupta Maurya |
| C. | Ashoka |
| D. | Kanishka |
| Answer» E. | |
| 64. |
Q: A sum was put at simple interest at a certain rate for 2 years. Had it been put at a 3% higher rate; it would have fetched Rs. 72 more. The sum is: |
| A. | Rs.1200 |
| B. | Rs.1500 |
| C. | Rs. 1600 |
| D. | Rs. 1800 |
| Answer» B. Rs.1500 | |
| 65. |
Q: A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are: |
| A. | 300 |
| B. | 500 |
| C. | 800 |
| D. | 1000 |
| Answer» C. 800 | |
| 66. |
Q: A rectangular carpet has an area of 60 square meter. If its diagonal and longer side together equal 5 times the shorter side, the length of its carpet is: |
| A. | 5 m |
| B. | 12 m |
| C. | 13 m |
| D. | 14.5 m |
| Answer» C. 13 m | |
| 67. |
Q: A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The Average speed for the the first 320 km of the tour is: |
| A. | 35.55 km/hr |
| B. | 36 km/hr |
| C. | 71.11 km/hr |
| D. | 71 km/hr |
| Answer» D. 71 km/hr | |
| 68. |
Q: A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job? |
| A. | 40 |
| B. | 50 |
| C. | 54 |
| D. | 60 |
| Answer» E. | |
| 69. |
Q: What will be the compound interest on a sum of Rs.25,000 after 3 year at the rate of 12 percent per annum? |
| A. | 9000.3 |
| B. | 9720 |
| C. | 10483.2 |
| D. | None of these |
| Answer» D. None of these | |
| 70. |
Q: “Parsec” is the unit measurement of |
| A. | Density of stars |
| B. | Astronomical distance |
| C. | Brightness of heavenly bodies |
| D. | Orbital velocity of giant stars |
| Answer» C. Brightness of heavenly bodies | |