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nCr Definitions and Properties

121, 225, 361...

Question

$121, 225, 361, ?$

A

529

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B

484

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C

441

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D

729

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Solution

The correct option is A $529$
$11^{2}, 15^{2}, 19^{2}, 23^{2}$ .

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Similar questions

Q. $P = 441 \times 484 \times 529 \times 576 \times 625$. The total number of factors are

(\sqrt{484} - \sqrt{441})^{2}

using prime factorization.

Q. Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis. If

324 \times 289 = 35, 441 \times 484 = 43, 625 \times 400 = 45

, find the value of

256 \times 729

.

Q. Find the square root of the following
(i)

\frac{324}{441}

\frac{361}{729}

Q. Which of the following is the square of an even number?
(a) 196
(b) 441
(c) 625
(d) 529

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nCr Definitions and Properties

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