# Practice Questions on Permutation-CombinationAptitude 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

## 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

## 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

## 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

## 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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