Question

Q-4 Solve the following.
1) A dice is thrown 20 times. The following numbers appeared on it. Represent this data
using tally marks,
1 5 4 3 2 6 1 2
2 3 1 6 5 4 2 2
1 3 5 6
2) Find the side of the square whose perimeter is 60 cm.
3) Let Anita's present age bexyears,
a) What will be her age 4 years from now?
b) Anita's grandfather is 5 times her age. What is the age of her grandfather?
4) There are 50 students in a class, out of which 24 are girls. Find the ratio of
a) The no. of girls to the number of boys.
b) The number of boys to the total number of students.​

Answer 1

Answer:

2) perimeter=60cm

side=60/4

15 cm

4) ratio of no. of girls to no. of boys=24:26

=12:13

ratio of no. of boys to no. of students=24:50

=12:25