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For what value of k, the system of equations x + 2y = 3, 5x + ky + 7 = 0 Have (i) a unique solution, (ii) no solution? Also, show that there is no value of k for which the given system of equation has infinitely namely solutions

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Express 144 as a sum of 12 odd numbers.

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The sound in the audible range is called

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How would you show that setting of curd is a chemical change?

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Find the sum of odd integers from 1 to 2001.

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Chemical equation is balanced according to the law of

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A parallel plate capacitor is charged by a battery. After sometime the battery is disconnected and a dielectric slab with its thickness equal to the plate separation is inserted between the plates. How will (i) the capacitance of the capacitor, (ii) potential difference between the plates and (iii) the energy stored in the capacitor be affected? Justify your answer in each case.

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Cartesian product in relational algebra is_______

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What do you mean by Knockout Tournament? Draw the fixtures of 21 teams on knockout basis.

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Coordination is the essence of management.

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Anisole on heating with concerntrated HI gives

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The input stage of an op amp is usually a

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If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by \(\mu_{d} \mu_{p}\) and \(\mu_{f}\) respectively, then

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“Every Drop Counts” is a slogan related to

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Explain why?

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Describe the process of neutralisation with the help of an example.

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What is common name of the compound CaOCl2?

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What are the differences between formal and informal sources of credit?

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Explain the process of nutrition in Amoeba

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Explain inductive effect with suitable example. Inductive effect:

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