*1. Express as a rational number with denominator (a) 36
(b) -80
12. Reduce each of the following rational numbers in its lowest form (a) 72 (b) -364
-8
13. Are the rational numbers
and
-32, equivalent ? Give reasons.
.
28
14. The perimeter of a rectangular field is 240m. If its length is 90m, find its breadth and area
15. The radius of a circle is 0.7m. Find its area and circumference.
Nova
SEC - C: [4x3=12]
16. The length and breadth of a rectangular field are equal to 600m and 400m respectively. Find
the cost of the grass to be planted in it at the rate of RS. 2.50 per m2
17. A wire of length 176cm is first bent into a square and then into a circle. Which one will have
Answers
Answer:
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Step-by-step explanation:
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