1. A box contains 2 blue caps, 4 red caps, 5 green caps and 1 yellow cap. If four caps are picked at random, what is the probability that none is green? (1)
- (1) 7/99
- (2) 5/99
- (3) 7/12
- (4) 5/12
- (5) None of these
2. A student has 60% chance of passing in English and 54% chance of passing in both English and Mathematics. What is the percentage probability that he will fail in Mathematics? (4)
- (1) 12
- (2) 36
- (3) 4
- (4) 10
- (5) 14
3. When three coins are tossed together, the probability that all coins have the same face-up is (3)
- (1) 1/3
- (2) 1/6
- (3) 1/8
- (4) 1/12
- (5) 1/17
4. Ten identical particles are moving randomly inside a closed box. What is the probability that at any given point of time all the ten particles will be lying in the same half of the box? (2)
- (1) 1/4
- (2) 1/512
- (3) 2/92
- (4) 2/112
- (5) 1/232
5. How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated? (4)
- (1).5
- (2).10
- (3).15
- (4).20
- (5).None of these