U. 7. Distance= 3570 m, speed = 100 m/ sec, so calculate the time taken to cover the given
distance
8. A bus is moving at a speed of 20 m/ sec. How much distance will it cover in1 hour.?
9. 24a + 13b - 4c if a=4, b=-5 and c=2
10. Subtract- 3a-4b- 3c with 42-5 b-60
11. What percent is 3 min 20 sec of 4 hrs?
12. Find the value of x-24:28::X:42
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