Question
A piece of paper is folded and punched as shown below
in the question figures. From the given answer figures, indicate how it will appear when opened.Solution
The average weight of five friends A, B, C, D and E is (x+5) years while the average weight of C and E is (x-5) kg. If the weight of another person F is...
In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
There are only 220 students living in hostel. If 20 students left hostel, then overall expenditure of mess is reduced by Rs. 800 weekly but per student ...
If average of first 9 numbers is (n – 50) and the sum of remaining number is 1620. Find the value of ‘n’, if the average of 21 numbers is ‘n’....
- Rs. 4200 was divided between 'P', 'Q', 'R', and 'S' in the ratio 4:6:3:7, respectively. Later, 'Q' gave an amount that equals 60% of the average amount rec...
A frustum of a cone has radii of 5 cm and 3 cm, and a height of 8 cm. What is its volume?
The average weight of 25 boys in a class is 60 kg and the average weight of 15 girls is 50 kg. Find the average weight of all the students together.
The average age of a class of 24 girls is 16 years. If 6 new girls having average age of 12 years join the class, then the average age of the class beco...
In a family of 8, the men eat on average 70 kg of food and women eat on an average 51 kg of food. The men and women are equal in number. A woman joined ...
The average of a set of s numbers is 18. If 30 is added to the set, then the average of the set becomes 18.3. Find the value of 5 X (s - 15).
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