Math, asked by suman231, 1 year ago

Ek aayat ki lambai mein 40 percent ki vriddhi aur chodai mein 30 Pasand ki Kami ki jaye to Uske chetrafal me kitne percent me Hogi

Answers

Answered by Anonymous
1
l = 40%of l + l = 140/100 l
b= b -30%of b =70/100b
old area = l×b
new area = 140 × 70 ×l×b/10000
=98/100 lb
lb = 100%
new lb =98%
so 2% decrease
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