Everyday Mathematics
Grade 7, 8
1. A 5 kg bag of rice cost Rs. 8 per Kg. Mr. Mohit bought Rs. 120 worth of rice. If he repacked the rice into smaller packets each weighing 3/5 kg, how many packets would he get ?
2. It takes 17 full specific type of trees to make one tonne of paper. If there are 221 such trees in a forest, then to save 7/13 part of the forest, how much of paper we have to save ?
3. In a test Abhay gets twice the mark as that of Praveen. Two times Abhay's mark and three times Praveen's marks make 280. The marks obtained by Abhay are---?
4. Sreya got Rs. 27480 as her monthly salary and over-time. Her salary exceeds the over time by Rs. 8000. How much did she earn in a year(except over time) ?
5. The lawn in front of Lathika's house is 12 m x 8 m , whereas the lawn in front of Nisha's house is 15m x 5m. A bamboo fencing is built around both the lawns. How much fencing is required for both ?
6. Amit purchased 2kg 200gm potatoes, 250gm rice, 15kg 300gm wheat, 500gm apples and 2kg 600gm tomatoes. Find the total weight of his purchases(in kilograms)
7. Temperature of a place at 12:00 noon was 5 degree Celsius. Temperature increased by 3 degree in first hour and decreased by 1 degree in the second hour. What was the temperature at 2:00 pm ?
8. In a colony of 100 blocks of flats numbering 1 to 100, a school van stops at every sixth block while a school bus stops at every tenth block. On which blocks will both of them stop if they start from the entrance of the balcony ?
9. Mathematics textbook for Class VII has 320 pages. The chapter 'Symmetry' runs from page 261 to page 272. The ratio of the number of pages of this chapter to the total number of pages of the book is??
10. The mean of 3 numbers is 40. All the three numbers are different natural numbers. If lowest is 19, what could be highest possible number of remaining two numbers ?
a. 81
b. 40
c. 100
d. 71
ANSWERS
1. 25
2. 7 tonnes
3. 80
4. Rs. 212880
5. 80m
6. 20.850kg
7. 7 degree Celsius
8. 30, 60, 90
9. 3:80
10. 81
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