Question

1)Write 63/-36 with denominator= -4


2) Subtract -13/9 from 4/27

3)Divide and convert into lowest form .
45/11 ÷9/11

4)A door of dimensions 3m by 2m is fixed on the wall of dimensions 15m by 10m.Find the cost of painting the wall at the rate of Rs 10 per sq.m


5)A circle of radius 2m is cut out from a square piece of an aluminium sheet of side 6m.What is the area of the left over aluminum sheet? (Take pie=3.14)​

Answer 1

Answer:

1) 7/-4

2)-1.2

3)5

4)150-6=144m^2

144(10)=Rs1440

5)23.44m^2

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