1.no of words of 4 letters that can b formed with the letter of the word IITJEE.

2. 4 points out of 8 points are collinear, thn no. of quadilaterals cn b formed by thm?

Question

1.no of words of 4 letters that can b formed with the letter of the word IITJEE. 2. 4 points out of 8 points are collinear, thn no. of quadilaterals cn b formed by thm?

lits goyal · Answer

1-78 make diff. cases

avinaash v a · Answer

Qno1

iitjee has six letters hence each of the four letters can be in 6! ways

hence no of words formed is 4*6! words

Qno2

no of quadrilaterals formed from 8 points is 8c4

4 of which are collinear no quadrilaterals are formed

hence no of quad formed is 8c4-4c4

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1.no of words of 4 letters that can b formed with the letter of the word IITJEE. 2. 4 points out of 8 points are collinear, thn no. of quadilaterals cn b formed by thm?

1.no of words of 4 letters that can b formed with the letter of the word IITJEE.

2. 4 points out of 8 points are collinear, thn no. of quadilaterals cn b formed by thm?

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