a)The perimeter of a rectangular swimming pool is 154 meter. Its length is 2meter more than twice its
breadth. What are the length and the breadth of the pool?
b) A coin is tossed on two successive times.
i) Write the sample space
ii) P( getting exactly one head)
iii) P( getting no heads)
iv) P( getting at least one tail)
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Answer:
let b=x
then l=2+2x
p=2(l+b)
154=2(2+2x+x)
=2(3x+2)
154=6x+4
154-4=6x
150=6x
150/6=x
25=x=b
l=50m
Step-by-step explanation:
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b) I) h h
t t
h t
t h
ii) 1/4
III) 1/4
I'v) 3/4