CBSE Class 10 Math 2022 Outside Delhi Set 1 Paper (Term II)

Question : 13 of 14

Marks: +1, -0

Case Study - 1
Yoga is an ancient practice which is a form of meditation and exercise. By practising yoga, we not even make our body healthy but also achieve inner peace and calmness. The International Yoga Day is celebrated on

21^{\;\text "st "\;}

of June every year since 2015.
To promote Yoga, Green park society in Pune organised a 7-day Yoga camp in their society. The number of people of different age groups who enrolled for this camp is given as follows :

Age Group	$15-25$	$25-35$	$35-45$	$45-55$	$55-65$	$65-75$	$75-85$
Number of People	8	10	15	25	40	24	18

Based on the above, find the following :
(a) Find the median age of people enrolled for the camp.
(b) If

x

more people of age group

65-75

had enrolled for the camp, the mean age would have been 58 . Find the value of

x

Solution:

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