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- Question
In how many different ways can five persons stand in a line for a group photograph?
Options- A. 120
- B. 240
- C. 360
- D. 720
- Correct Answer
- 120
ExplanationThis is the number of permutations of five things taken all at a time.
Therefore, answer = = 120 ways
- 1. What is the average of first 19 odd numbers?
Options- A. 9.5
- B. 15.5
- C. 19
- D. 38 Discuss
- 2. Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 .The smallest numbers is
Options- A. 4
- B. 5
- C. 6
- D. 10 Discuss
- 3. The sum of the cubes of two numbers in the ratio 3 : 4 is 5824. The sum of the numbers is:
Options- A. 21
- B. 28
- C. 24
- D. 14 Discuss
- 4. Selecttherelatedword/letters/numbersfromthegivenalternatives: GrtK:KtrG::FjbH:?
Options- A. HbjF
- B. jHbF
- C. FbjH
- D. HjbF Discuss
- 5. What least value must be assigned to '*' so that the numbers 451 * 603 is exactly divisible by 9?
Options- A. 7
- B. 8
- C. 5
- D. 9 Discuss
- 6. If 6A = 7B = 5C; find A : B : C
Options- A. 42:30:35
- B. 30:35:42
- C. 5:7:6
- D. 35:30:42 Discuss
- 7. If 5x/2 - [7(6x - 3/2)]/4 = 5/8, then what is the value of x?
Options- A. 1/4
- B. -1/4
- C. 4
- D. -4 Discuss
- 8. The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is
Options- A. 85
- B. 75
- C. 70
- D. 80 Discuss
- 9. If Cos ? = 15/17 , then what is the value of Cosec ??
Options- A. 17/8
- B. 8/17
- C. 8/15
- D. 17/15 Discuss
- 10. The greatest perfect square number of 6 digits is
Options- A. 999001
- B. 998001
- C. 998009
- D. 998101 Discuss
More questions
Correct Answer: 19
Correct Answer: 5
Correct Answer: 28
Correct Answer: HbjF
Correct Answer: 8
Correct Answer: 35:30:42
Correct Answer: 1/4
Correct Answer: 80
Correct Answer: 17/8
Correct Answer: 998001
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