TCS Company

How many alphabet s need to be there in a language if o ne were to mak e 1 millio n
dis tinc t 3 digit initials using the alphabets of the language?
(a) 26 (b) 50 (c) 100 (d) 1000

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TCS Other Question

A man bets on number 16 on a roulette w heel 14 times and lo sses each time. On the
15t h span he does a quick calculatio n and finds o ut that the number 12 had appeared
twice in the 14 spans and is therefore, unable to dec ide whether t o bet on 16 or 12 in the
15t h span. Which will give him the best c hance and what are the odds of winning on the
bet that he tak es? (Roulette has numbers 1 to 36)
(a) 16; 22 : 14 (b) 12; 72 : 1 (c) 12; 7 : 1 (d) Either; 35 : 1
x2 < 1/100
,
and x< 0 What is the tightest range in which x can lie?

-1/10 < x < 0
-1 < x < 0
-1/10 < x < 1/10
-1/10