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√[1287 + √{64 + (√289)}] =?

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√[1287 + √{64 + (√289)}] =?
1. 40
2. 55
3. 36
4. 25
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Correct Answer - Option 3 : 36

Given:

√[1287 + √[64 + (√289)]

Calculation:

According to the question,

⇒ √[1287 + √{64 + √289}]

⇒ √[1287 + √{64 + 17}]

⇒ √(1287 + √81)

⇒ √(1287 + 9)

⇒ √1296 = 36

∴ 36

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