Question

there are 477,371,424 students in therr different classes of school, going to a hill station for a picni for a picnic for a picnic. buses are to be

Answer 1

Different groups formed

4

C

3

×

g

C

2

+

4

C

4

×

g

C

1

=4×

g

C

2

+

g

C

1

There are two girls in each of 4×

g

C

2

groups

No. of doll's distributed

=2×4×

g

C

2

+g=4g

2

−3g=85

⇒g=5