Question

Nina’s age is two years more than half of Jaya’s age. Lata’s age is 5 years less than twice of Jaya’s age. If Jaya is q years old, write an expression for:

Answer 1

Step-by-step explanation:

Let the present age of nisha be x

Asha's age is 2 more than square of Nisha's age i.e.,x

2

+2

In second situation age of Nisha is x

2

+2

Age of asha is one less than 10 times the present age of Nisha

i.e.,10x−1

In both the situations the age gap between them will be same

So x

2

+2−x=10x−1−x

2

−2

2x

2

−11x+5=0

2x

2

−10x−x+5=0

2x(x−5)−1(x−5)=0

(2x−1)(x−5)=0

x=5,

2

1

So the present age of Nisha is 5 and present age of Asha is

(5)

2

+2=27

December 20, 2019

Answer 2

Answer:

Jaya's age = x

Nina's age = 2 + x/2

Lata's age = 2x + 5