Find `14+17+6` in two ways.

Find: 14 div 5/6

Find the number of ways of arranging 6 boys and 6 girls in a row so that no two boys sit together

Find the number of ways of arranging 6 boys and 6 girls in row. In how many of these arrangements. no two girls are together

Find the number of ways of arranging 6 boys and 6 girls around a circle so that no two girls come together

14 persons are seated at a round table. Find the number of ways of selecting two persons out of them who are not seated adjacent to each other.

Find n if. ((17 - n)!) / ((14 - n)!) = 5!

Each of the series 13 + 15 + 17 + .... and 14 + 17 + 20 + ... is continued to 100 terms. Find how many terms are identical between the two series?

If the mean of 17, 10, 12, p and 13 is 14, find the value of P.