(A) A natural number, when increased by 12 , equals 160 ...

CBSE Class 10 Math 2023 All India Set-3 Solved Paper

Question : 9

Total: 11

(A) A natural number, when increased by 12 , equals 160 times its reciprocal. Find the number.
OR
(B) If one root of the quadratic equation x2+12x−k=0 is thrice the other root, then find the value of k.

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