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Twenty one times of a positive numer is ...

Twenty one times of a positive numer is less than its square by 100. The value of the positive number is

A

25

B

26

C

42

D

41

Text Solution

Verified by Experts

The correct Answer is:
A
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KIRAN PUBLICATION-SIMPLIFICATION-TEST YOURSELF
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  15. Simplify : 120 + "3 of 5" div [7 xx 2 {10 div 5(24 - 10 xx 2 + bar(7 +...

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  20. Simplify : ((2)/(3) div (3)/(4)"of" (5)/(6))/((2)/(3) div (3)/(4) xx (...

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  21. If the numerator of a fraction is increased by (1)/(4) and the denomin...

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