In how many different ways can five persons stand in a line for a group photogra

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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

Explanation

This is the number of permutations of five things taken all at a time.

Therefore, answer = $5 P_{5}$ = 120 ways

More questions

1.
A common factor of ( 41 ⁴³ + 43 ⁴³ ) and ( 41 ⁴¹ + 43 ⁴¹ ) is ...
Options
A. ( 43 - 41 )
B. ( 4141 + 4341 )
C. ( 4143 + 4343 )
D. ( 43 + 41 )

2.
A person invested a certain amount at simple interest at the rate of 6 percent annum earning Rs. 900 as an interest at the end of three years. Had the interest been compounded every year. How much more interest would he have earned on the same amount with the same interest after three years?
Options
A. Rs. 38.13
B. Rs. 25.33
C. Rs. 55.08
D. Rs. 35.30

3.
Let a = ?6 - ?5, b = ?5 - 2, c = 2 - ?3 Then point out the correct alternative among the four alternatives given below.
Options
A. a < b < c
B. b < a < c
C. a < c < b
D. b < c < a;

4.
On selling an article for Rs. 240, a trader loses 4%. In order to gain 10 % he must sell that article for
Options
A. Rs. 275
B. Rs. 340
C. Rs. 320
D. Rs. 264

5.
If 2805 / 2.55 = 1100, then 280.5 / 25.5 is equal to?
Options
A. 1.01
B. 1.1
C. 0.11
D. 11

6.
At present, Anil is 1.5 times of Purvi's age. 8 yr hence, the respective ratio between Anil and Purvi's ages will be 25 : 18 What is purvi's present age?
Options
A. 50 yr
B. 28 yr
C. 42 yr
D. 36 yr

7.
How much stock can be purchased for Rs. 794.50 at 112.5? (Brokerage 1% )
Options
A. Rs. 650
B. Rs. 485
C. Rs. 706
D. Rs. 700

8.
A driver's income consists of his salary and tips. during one week his tips were 5/4 of his salary. what fraction of his income came from tips?
Options
A. 4/9
B. 5/9
C. 5/8
D. 5/4

9.
Find out the investment required to get an income of $ 1938 from 9¹/₂% stock at 90 (Brokerage 1%).
Options
A. $ 19642.60
B. $ 17543.00
C. $ 18543.60
D. $ 18600.60

10.
Nine engines consume 24 metric tonnes of coal, when each is working 8 hours day. How much coal is required for 8 engines, each running 13 hours a day, if 3 engines of former type consume as much as 4 engines of latter type?
Options
A. 20 metric tonnes
B. 39 metric tonnes
C. 23 metric tonnes
D. 26 metric tonnes

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