Question

49 + √? = 87 (a) 1444 (b) 1442 (c) 1448 (d) 1456 (e) 1460

Answer 1

$49 + \sqrt{x} = 87 \\ \sqrt{x} = 87 - 49 \\ \sqrt{x} = 38 \\ ({ \sqrt{x} })^{2} = ({38})^{2} \\ x = 1444$

$<h2>Verification</h2>$

$49 + \sqrt{1444} = 87 \\ 49 + 38 = 87 \\ 87 = 87$

$<h2>HENCE PROVED</h2>$

SO

$x = 1444$