Practice Question and Answer
8 Q: By increasing the radius of a sphere by 50 percent, how much will the area of its surface increase?
2556 05e5cad34db545f45b2c8c42a
5e5cad34db545f45b2c8c42a- 1100%false
- 2125 %true
- 3150%false
- 4None of thesefalse
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Answer : 2. "125 %"
Q: In the given numbers, if in each number first digit is replaced by the third digit, second digit is replaced by the first digit and third digit is replaced by the second digit then which number will be the biggest ? 653 749 872 933 541 2556 05b5cc6c5e4d2b4197774dd41
5b5cc6c5e4d2b4197774dd41- 1933false
- 2872false
- 3749true
- 4653false
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Answer : 3. "749"
Explanation :
Answer: C) 749 Explanation: From the given data, Largest number = 974 Therefore, the required number is 749.
Q: Lux is the SI unit of 2556 05b5cc69fe4d2b4197774ca0a
5b5cc69fe4d2b4197774ca0a- 1luminous fluxfalse
- 2luminous efficiencyfalse
- 3intensity of illuminationtrue
- 4luminous intensityfalse
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Answer : 3. "intensity of illumination"
Explanation :
Answer: C) intensity of illumination Explanation: The lux (lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square meter.
Q: RailWire Wi-Fi by RailTel is now live at how many railway stations across India? 2556 05d048d52ba018853c126937d
5d048d52ba018853c126937d- 11200false
- 21360false
- 31510false
- 41600true
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Answer : 4. "1600"
Explanation :
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Q: Structural Equation Modelling (SEM) is related to which condition?
2556 0638755cc53e4f661773282e3
638755cc53e4f661773282e3- 1Formation of sand/sand dunesfalse
- 2Change in ecologytrue
- 3Soil/soil erosion/erosionfalse
- 4Forest erosionfalse
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Answer : 2. "Change in ecology"
Explanation :
Structural equation modeling (SEM) deals with state change in ecology.
Q: What is the next number in this series ? 4, 6, 12, 18, 30, 42, 60, ? 2556 05b5cc70be4d2b4197774f2f0
5b5cc70be4d2b4197774f2f0- 171false
- 272true
- 373false
- 469false
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Answer : 2. "72"
Explanation :
Answer: B) 72 Explanation: With close observation, you will note that each number in the list is in the middle of two prime numbers. Thus: 4 is in the middle of 3 and 5, 6 is in the middle of 5 and 7, 12 is in the middle of 11 and 13, 18 is in the middle of 17 and 19, 30 is in the middle of 29 and 31. 42 is in the middle of 41 and 43, 60 is in the middle of 59 and 61. Therefore, the next number would be the one that is in the middle of the next two prime numbers, which is 72 (which is in the middle of 71 and 73).
Q: At which place has the Indian Army built a memorial for the soldiers who received Veergati during the Galvan skirmish?
2556 05f8029b188aba328edae3f74
5f8029b188aba328edae3f74- 1Ladakhtrue
- 2Chamolifalse
- 3Shimlafalse
- 4Kedarnathfalse
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Answer : 1. "Ladakh"
Q: What new name has been given by Vodafone and Idea company together?
2555 05f5b31e869ed13038c1becdd
5f5b31e869ed13038c1becdd- 1FIfalse
- 2MIfalse
- 3VItrue
- 4AIfalse
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