One red flower, three white flowers, and two blue flowers are arranged in a line such that
I. No two adjacent flowers are of the same color.
II. The flowers at the two ends of the line are of different colors.
In how many different ways can the flowers be arranged?
2
4
6
10
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1
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How many 3digit 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
Solution 
2
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Find the probability that a leap year selected at random will contain 53 Sundays
Solution 
3
Discuss

In how many ways can a cricketer can score 200 runs with fours and sixes only?
Solution 
4
Discuss

It is required to seat 5 boys and 4 girls in a row so that the girls occupy the even places. How many such arrangements are possible?
Solution 
5
Discuss

In a single throw with four dice,the probability of throwing seven is
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6
Discuss

The value of ^{75}P_{2}
Solution 
7
Discuss

From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least three men are in the committee. In how many ways can it be done?
Solution 
8
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A fair coin is tossed 5 times. What is the probability of getting at least three heads on consecutive tosses?
Solution 
9
Discuss

A number lock on a suitcase has 3 wheels each labeled with 10 digits from 0 to 9. If the opening of the lock is a particular sequence of three digits with no repeats, how many such sequences will be possible?
Solution 
10
Discuss

A polygon has 44 diagonals. What is the number of its sides?
Solution 
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