Question

Suresh score 10 marks more in second test than that in the first. 5times the scoe of the second text is the same as squar of tha score in the first test.Find his score in the first test.

Answer 1

Step-by-step explanation:

let first test be x and second be y

ATQ

y=x+10

x=y-10

5y=x square

now put value of x in second eq.

square of Y +100-25y

now arrange it and factorize

y=20

then put value in eq. 1

x=10