15% of a number is 1.2. Find that

How many 4-digit numbers can be formed using digits 1–9 if repetition is not allowed and the number is even?

How many different words can be formed with the letters of the word PRACTICE such that each of the word begin with E and ends with R?

In how many different ways can the letter of the word ‘PRAISE’ be arranged?

How many five digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 5, without repeating the digits?

Using all the letters of the word CANOER, how many words start with a vowel but end with a consonant?

Find total number of ways in which the word “POSSESSION” can be arranged.

Using all the letters of the word IMPACT, how many words start with a vowel but end with a consonant?

Find the number of words that can be formed by using all letters of the word 'PAINT', if order of vowels remains same.

Among a set of 4 black balls and 3 white balls, how many selections of 3 balls can be made such that at least 2 of them are black balls?