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If (cos2θ –1)(1 + tan2θ) + 2tan2θ = 1, 0° ≤ θ ≤ 90° then θ is:
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Study the given pie-chart and answer the question that follows.
The pie-chart shows the percentage of question asked in a competitive examination.
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If the total number of question asked in the examination was 350, how many questions were asked in History, Law and Language taken together?
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What will come in the place of ? in 323 ÷ 17 × √841 + 122 = ?
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