Practice UPSC NDA Mathematics questions with answers and explanations.
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Increase/base×100=25%.
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Area=72 cm².
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Mean=10.0.
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14+8=22.
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15×9=135.
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16/10=1.6.
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Increase/base×100=25%.
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Area=54 cm².
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Mean=11.5.
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20+5=25.
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21×6=126.
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22/7=3.14.
