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Sample QuestionIf A = {p, q, r, s} and B = {7, 8, 9}, find which of the following is a set of ordered pair, are relations from A to B?
Questions: 10  Attempts: 530  Last updated: Feb 12, 2021

Sample QuestionThe velocity of a transverse wave in a string is given by the formula where T is the tension in the string and m is mass per unit length. If T=7.0 Kg, the mass of the string is 5.0 g and the length of the string is 2.000 m then what will be the percentage error in the measurement of velocity?
Questions: 10  Attempts: 218  Last updated: Feb 12, 2021

Sample QuestionIf the ratio of specific heat of a gas at constant pressure to that at constant volume is γ, the change in internal energy of a mass of gas when the volume changes from V to 2V under constant pressure p is:
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Sample QuestionWhich is the antonym of adulation?
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Sample QuestionUnknown alcohol is treated with the “Lucas reagent” to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism?
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Questions: 10  Attempts: 665  Last updated: Feb 25, 2021

Sample QuestionA man of mass 60 kg takes 35 seconds to reach the top of a building using the stairs. How much time will be taken by another man of the same mass, if the powers developed by the first man and the second man are in the ratio of 4:7?
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Questions: 10  Attempts: 277  Last updated: Feb 25, 2021
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Questions: 10  Attempts: 183  Last updated: Feb 25, 2021

Sample QuestionSuppose refractive index is given as, where P and Q are constants and v is the speed of light and is the wavelength, then dimensions of Q are the same as that of
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Sample QuestionA block of mass 15 kg is suspended by three strings as shown in the figure. Choose the correct option on the basis of the diagram. (Take g = 10 m/s2)
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Sample QuestionA survey shows that 60% of Indians like football whereas 76% like cricket. If X% of the Indians like both mangoes and apples, then:
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Sample QuestionA block of mass 0.2 kg is held against a wall by applying a horizontal force of 6 N on the block. If the coefficient of friction between the block and the wall is 0.3, then what will be the value of frictional force acting on the block?
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Sample Question
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Sample QuestionIf a, b, c are related by 9a2 + 16b2 – 16c2 + 24ab = 0then the greatest distance between any two lines of the family of lines ax + by + c = 0 is:
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Sample QuestionIf the line x = 1/2, is the directrix of a parabola y2 – kx + 6 = 0, then which of the following is a value of ‘k’?
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