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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:

10:102 :: 20 : ?
√0.0049 എത്ര ?
The value of 289+0.0121−6.25=\sqrt{289}+\sqrt{0.0121}-\sqrt{6.25}=

3025+23310+?=(22)2\sqrt{30\frac25+23\frac{3}{10}+?}=(2\sqrt{2})^2

So what is the number in the n's place?

What number is x if |x + 2| = |x - 5|?