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Solution
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Solution
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Solution
[(50)3 + (–30)3 + (–20)3] = ?
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Solution
Let a = 50, b = – 30, c = – 20
a + b + c = 0
So, a3 + b3 + c3 = 3abc
⇒ 3(50) (–30) (–20)
⇒ 90000
The square root of term is?
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Solution
⇒ 5 × 5 × 9
⇒ 5 × 5 × 3 × 3
⇒ Square root = 5 × 3 = 15
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Solution
So, y =
⇒ y2 = 12 + y
⇒ y2 – y – 12 = 0
⇒ (y – 4) (y + 3) = 0
So, y = 4, y = –3
Hence y = 4
The largest among the following is?
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Solution
Similarly,
So, will maximum as it has minimum denominator.
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Solution
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Solution
Quantitative Aptitude
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