#### Term 1 Number System Three Marks and Five Marks Questions

7th Standard

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Maths

Time : 01:00:00 Hrs
Total Marks : 40
5 x 3 = 15
1. Sita saved  225.00 and she has spent  400 on credit basis for the purchase of stationery. Find her due amount.

2. From the ground floor a man went up six floors and came down six floors. In which floor is he now?

3. Roman civilization began in 509 Be and ended in 476 AD. How long did Romans civilization last.

4. A submarine was situated 450 feet below sea level. If it descends 300 feet. What is its new position?

5. In January the high temperature recorded was 90°F and the low temperature was -2°R Find the difference between the high and the low temperatures?

6. 5 x 5 = 25
7. What is the balance in Chezhiyan’s account as a result of a purchase for ₹ 1079, if he had an opening balance of ₹ 5000 in his account?

8. The temperature at Srinagar was −3°C on Friday. If the temperature decreases by 1°C next day, then what is the temperature on that day?

9. Ani is scuba diving. She descends 5 feet below sea level. She descends the same distance 4 more times. What is Anis final elevation?

10. The price of a plant reduced Rs. 6 per week for 7 weeks. By how much did the price of the plant change over the 7 weeks?

11. The product of three integers is -3. Determine all of the possible values for the three factors?