Cyclones in the Bay of Bengal usually occur during the

How many 10 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 1, 2, 4, 2, 4 ?

How many words can be formed with the letter of the word ‘FUTURE’ if repetition is not allowed?

If 3 pens are drawn at random what is the probability that all are black?

If 2 pens are drawn at random what is the probability that one is black and one is red ?

In how many different ways can the letters of the word ‘SURGICAL’ be arranged so that the vowels always come together ?