Question

Solution

Correct option is

(4!)2 Hence No. of ways = 4! × 4! = (4!)2 ways

SIMILAR QUESTIONS

Q1

Find the number of ways in which 8 different flowers can be strung to form a garland so that 4 particular flowers are never separated.

Q2

How many integral solutions are there to x + y + z + = 29, when  1, y≥ 2, z ≥ 3 and t ≥ 0?

Q3

How many integral solutions are there to the system of equations

x1 + x2 + x3 + x4 + x5 = 20 and x1 + x2 + x3 = 5 when xk ≥ 0?

Q4

There are n points in a plane of which no three are in a straight line except ‘m’ which are all in a straight line. Then the number of different quadrilaterals, that can be formed with the given points as vertices, is :

Q5

A father with 8 children takes 3 at a time go to the zoological Garden, as often as he can without taking the same 3 children together more than once. The number of times he will go to the garden is :

Q6

The number of divisors a number 38808 can have, excluding 1 and the number itself is :

Q7

In a class tournament when the participants were to play one game with another, two class players fell ill, having played 3 games each (not played between them). If the total number of games played is 84, the number of participants at the beginning was:

Q8

The number of distinct rational numbers x such that 0 < x < 1 and p/q, where p, q ∈ {1, 2, 3, 4, 5, 6}, is:

Q9

Let be the set of 4-digit numbers a1a2a3a4 where a1 > a2 > a3 > a2 then (A) is equal to :

Q10

Ten persons, amongst whom are A, B and C are to speak at function. Find number of ways in which it can be done if A wants to speak before B, andB wants to speak before C?