Question

1. Find the average of all even numbers from 20 to 30.

2. The average temperature of the room is 24.7 degree celsius, If the number of temperature observations done is 5, what is the sum of temperature values recorded?

3. Find the average marks scored by Satish:

Eng: 85 % Math: 97 % Science: 87 % SST: 76 % Hindi: 90

4. If the carpet area 121 sq m exactly covers the floor of a square room. What is the perimeter of the room?

5. An oil painting canvas is 90 cm long and 60 cm wide. A 5 cm thick wooden frame runs along its border. How much would it cost to cover the entire framed painting with glass if 1 square cm of glass cost Rs. 0.90?

Answer 1

Answer:

required answer = 25

(LKB MATHS TUTORIAL)