हरियाणा में पर्यावरण प्रशिक्षण संस्थान कहाँ स्थित है

Find the 3-digit numbers that can be formed from the given digits: 1, 2, 3, 4 and 5 assuming that

a) digits can be repeated.

b) digits are not allowed to be repeated.

A coin is tossed 6 times, and the outcomes are noted. How many possible outcomes can be there?

From a team of 6 students, in how many ways can we choose a captain and vice-captain assuming one person can not hold more than one position?

Evaluate the following

(i) 6 ! (ii) 5 ! – 2 !

How many words, with or without meaning, can be formed using all the letters of the word EQUATION, using each letter Exactly once?

How many words can be formed each of 2 vowels and 3 consonants from the letters of the given word – DAUGHTER?

It is needed to seat 5 boys and 4 girls in a row so that the girl gets the even places. How many are such arrangements possible?

Find the number of 5-card combinations out of a deck of 52 cards if each selection of 5 cards has exactly one king.

Find the number of 6 digit numbers that can be formed by using the digits 0, 1, 3, 5, 7, and 9. These digits shall be divisible by 10, and no digit shall be repeated?

Calculate how many numbers are there between 99 and 1000 having atleast one of their digits 7?