This BITSAT sample question papers consists of BITSAT permutation and combination questions which are part of the BITSAT Mathematics section.
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Q1. A five-digit number is formed using digits 1, 3, 5, 7 and 9 without repeating any one of them. What is the sum of all such possible numbers? (CAT 93)
b. 6666660
a. 6666600
d. None of these
c. 6666666
Q4. In how many ways can eight directors, Vice-chairman and Chairman of a firm be seated at a round table, if the Chairman has to sit between the Vice-chairman and a director? (CAT 97)
a. 9! X 2
b. 2×8!
c. 2×7!
Q2. A man has 9 frinds : 4 boys and 5 girls. In how many ways can he invite them, if there have to be exactly 3 girls in the invitees? (CAT 96)
a. 320
c. 80
d. 200
b.160
Q3. How many numbers can be formed from 1, 2, 3, 4, 5 (without repetition), which the digit at the unit’s place must be greater than that in the ten’s place? (CAT 98)
b. 60
a. 54
d. 2×4!
c. 51/3
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