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Which of the following numbers give 240 when added to its own square?

A15

B16

C18

D20

Answer:

A. 15

Read Explanation:

15 + 15^2 = 15 + 225 = 240

Related Questions:

25 -ൻറെ വർഗ്ഗം 625 ആണെങ്കിൽ 0.0625 -ൻറെ വർഗ്ഗമൂലം എത്ര?

52=255^2= 25ആയാൽ (0.5)2=?(0.5)^2=?

27+27+27+..........=?\sqrt{27+\sqrt{27+\sqrt{27+..........}}}=?

Find two consecutive natural numbers whose squares have been the sum 221.

(3−23+2)+(3+23−2)= (\frac {\sqrt{3}-\sqrt{2}}{\sqrt{3}+\sqrt{2}})+(\frac {\sqrt{3}+\sqrt{2}}{\sqrt{3}-\sqrt{2}}) =