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 
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 
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 
Q20. 
For a Lofoya Assets, a selection committee is to be chosen consisting of 5 extechnicians. 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 viceversa. In how many ways it can be done? 
A.  $572$ 

B.  $672$ 

C.  $472$ 

D.  $372$ 