Question
(17.98% of 249.99) - 4.998 =
√? What approximate value should come in place of question mark (?) in the following question? (You are not expected to calculate the exact value)Solution
(17.98% of 249.99) - 4.998 = √? => (18% of 250) - 5 = √? => 45 - 5 = √? => ? = 402 => ? = 1600
The minimum value of 25 sin2 θ + 16 cos2 θ is
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