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19. Two red dies and one blue die are rolled, what is the probability that the number on the blue die is greater than that of the other dies is?
a. 55/36
b. 55/216
c. 5/216
d. 5/36

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TCS Other Question

18. If A > B > C, then which of the following are true?
P: A% of B > B% of C
Q: B% of A > C% of B
R: C% of A > B% of C
a. P,Q
b. Q,R
c. R,P
d. P,Q,R
20. A valid ISBN code consists of 10 digits like ISBNa1a2a3a4a5a6a7a8a9a10 such that 10.a1+9.a2+8a3+7a4+6a5+5a6+4a7+3a8+2a9+1a10 must be divisible by 11.
ISBN0111200091 is a valid code. Find the number of pairs of (a5, a9) other than (2, 9) such that the given ISBN is a valid code.