1.

Plz solve.........................​

Answer»

Answer:

3!=6

Step-by-step explanation:

all identical books will stay together.

so group of 2 english book, 3 hindi book,4 MATH book we have to ARRANGE.

3 group arrange in 3 place by 3!(3 factorial) way

3!=3×2×1

=6

arrangement

  1. EE,HHH,MMMM
  2. EE,MMMM,HHH
  3. HHH,EE,MMMM
  4. HHH,MMMM,EE
  5. MMMM,EE,HHH
  6. MMMM,HHH,EE

E for english book

H for hindi book

M for math book



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