sunayana is 7 years younger than bishwant if the product of their ages is 144 find their present ages
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bishwant age is 16 years
sunayana age is 9 years
Step-by-step explanation:
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Answer:
Bishwant age=16; sunayana age=9
Step-by-step explanation:
Let the age of Bishwant be 'x'
then sunayana age is 'x-7'
Given product of their ages =144
=> (x)(x-7)=144
=>x²-7x-144=0
=>x²-16x+9x-144=0
=>x(x-16)+9(x-16)
=>(x-16)(x+9)
=>x=16;-9
Age cannot be negative so x=16
Bishwant's age=x=16
sunayana's age=x-7=16-7=9
Therefore present age of Bishwant and sunayana is 16yrs and 9yrs respectively
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