Suyash scored 10 marks more in second test than that in the first. 5 times the score of the second test is the same as square of the score in the first test. Find his score in the first test.

Doubtly Asked 24 Oct 2026 Save WhatsApp Report

1 answer

Answer: 10 marks

Let the first-test score be \(x\); second-test score \(= x + 10\).

\[5(x + 10) = x^2\]\[x^2 - 5x - 50 = 0\]\[(x - 10)(x + 5) = 0\]

\(x = 10\) (marks cannot be negative here). Check: second test 20, \(5 \times 20 = 100 = 10^2\).

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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