Back to PERMUTATIONS

JEE MATHEMATICS MCQ: PERMUTATIONS

1 Medium

1 of 1

Application +4 | -1

Three straight lines

l_1, l_2

and

l_3

are parallel and lie in the same plane. Five points are taken on each of

l_1

,

l_2

and

l_3

. The maximum number of triangles which can be obtained with vertices at these points, is

View answer and explanation

Correct option: A

425

Option A (425) is correct because it calculates the total possible triangles minus the degenerate cases where all three points lie on the same line.

More Questions from PERMUTATIONS

Practice All Chapter MCQs →

How many different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that the odd digits occupy even positions? The number of ways in which

r

letters can be posted in

n

letterboxes in a town is The number of four-digit numbers that can be made with the digits

1,2,3,4

and 5 in which atleast two digits are identical, is The number of ways in which a pack of 52 cards can be divided equally into four groups, is Five digited numbers with distinct digits are formed by using the digits, 5, 4, 3, 2, 1, 0. The number of those numbers which are multiples of 3, is A man invites a party to

\left( {m + n} \right)

friends to dinner and places m at one round table and

n

at another. The number of ways of arranging the guests is