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Maximum power developed across variable resistance
`R` in the circuit as shown in the figure.
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A load of mass `m` falls from a height `h` onto the scale pan
hung from the spring as shown in the
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A particle is projected up from a point at an angle `theta` with the horizontal direction. At any ti
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A student is allowed to select at most `n` books from a collection of `2n + 1` books.
If the total
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If `x` is measured in degree, then `\frac{d}{dx}(\cos x) ` is equal to:
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The number of ways in which `20` mangoes may be distributed among `5` children, so
that each chil
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