Question

12. There are 60 girls in a hostel. 5/12 of them like to read novels,
2/5
of them like to read magazines
and the remaining like to read detective stories. Find the number of girls who like to read
a. Novels
b. Magazines
c. Detective stories.​

Answer 1

Answer:

Solution:

GIVEN:

Total Number of Girls in Hostel - 60

Girls like Novels - 5/12th

Girls like magazine - 2/5

To Find:

Remaining likes Detective Stories - ?

(Detective stories lover = Total - Novels lover - Magazine lover )

Detective stories lover,

= x - 5/12 - 2/5

➛ 60x - 25x - 24x/60

➛ 60x - 49x / 60

➛ 11x / 60

______________________________________

♻️Girls who likes Novels:

➛ 5/12th

➛ 60 × 5/12

➛ 5 × 5

➛ 25

25 Girls like Novels.

♻️Girls Who likes Magazine:

➛ 2/5th

➛ 60 × 2/5

➛ 12 × 2

➛ 24

24 Girls like Magazine.

♻️Girls who likes Detective Stories:

➛ 11/60

➛ 60 × 11/60

➛ 11

11 Girls likes Detective Stories.

_____________________________________

Hope it will be helpful :) .....✍️