Practice Questions on Permutation-Combination
Aptitude Questions and Answers

Moderate Permutation-Combination Question - 16

Q16.

How many alphabets need to be there in a language if one were to make 1 million distinct 3 digit initials using the alphabets of the language?

A.

100

B.

50

C.

26

D.

1000

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Moderate Permutation-Combination Question - 17

Q17.

How many arrangements of four 0's (zeroes), two 1's and two 2's are there in which the first 1 occur before the first 2?

A.

420

B.

360

C.

320

D.

210

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Moderate Permutation-Combination Question - 18

Q18.

How many different five-letter words can be formed using the letter from the world $APPLE$?

A.

120

B.

60

C.

240

D.

24

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Moderate Permutation-Combination Question - 19

Q19.

I have an amount of Rs 10 lakh, which I went to invest in stocks of some companies. I always invest only amounts that are multiples of Rs 1 lakh in the stock of any company.

If I can choose from among the stocks of five different companies, In how many ways can I invest the entire amount that I have?

A.

252

B.

250

C.

1001

D.

1089

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Moderate Permutation-Combination Question - 20

Q20.

For a Lofoya Assets, a selection committee is to be chosen consisting of 5 ex-technicians.

Now there are 12 representatives from four zones. It has further been decided that if Mr.  Lofs is selected, Relk and Lemini will not be selected and vice-versa.

In how many ways it can be done?

A.

$572$

B.

$672$

C.

$472$

D.

$372$

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