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If z=(3+7i)(p+iq) where p,q E I-{0}' is purely imaginary ,then minimum value of |z^2| is? Ans 3364 please explain how you have solved it ...
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A family has two children. Assume that birth month is independent of gender, with boys and girls equally likely and all months equally likely, and assume that the elder child’s characteristics are independent of the younger ...
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Six married couples are sitting together.NUmber of ways of selecting 4 people so that there is exactly one married couple among the four is: I thought the answer should be C(6,1)*C(10,1)*C(8,1) that is 480. The answer given i ...
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In a series of games between team A and team B,they decide to play on till a team wins 5 matches .In how many ways can A win the series if no match ends in a draw? Please explain how you solved it! Answer is 126 ...
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Find the equation and length of common tangents to x^2/a^2 - y^2/b^2=1 and y^2/a^2 -x^2/b^2=1 . Please explain how you have solved it Answers: x±y=±√(a^2-b^2) And √2(a^2+b^2)/√(a^2-b^2) ...
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A graph is plotted between PVm along y axis and P along x axis,Vm is molar volume of real gas.Find intercept along Y axis. Please explain how you have solved it ! Answer is Pb+RT ...
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*Image* The figure shows mass m moves with velocity u. Ring is restricted to move on smooth fixed horizontal rod. Velocity of the ring at that moment? I thought the answer to be u/2 but the correct answer is 2u. This can happ ...
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If the equation y=1+x-2√x represents a parabola then coordinates of vertex are? Please explain how you solved it! Answer is (1/4,1/4) ...
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*Image* *Image* The figure shows mass m moves with velocity u. Ring is restricted to move on smooth fixed horizontal rod. Velocity of the ring at that moment? I thought the answer to be u/2 but the correct answer is 2u. This ...
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The shape of a water clock jar is such that water level. Descends at constant rate at all times.is it falls by x m/s,shape of jar is given by y proportional to x^n find value of n if radius of drain hole is r and can be assum ...
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A point object moves on a circular path such that distance covered by it is given by S=t^2/2 +2t meter(t in seconds) .ratio of magnitude of acceleration at t=2 and t=5s is 1:2 .then radius of circle is? Ans 3√51 Please expl ...
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A uniform rod of length 27 m is rotating through one end through a fixed axis perpendicular to rod.ratio of angular and linear momentum? Options: 3,9,18,27 My answer is 9 but correct one is 18 which comes if we take MV=MWL/2 ...
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Q)In which of these compounds in there no hydrogen bonding? K2HPO4 K2HPO3 KH2PO3 CH3COOH What is the procedure for getting the answers? The structures of these compounds i have not come across in my study so is there any othe ...
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The oxoanions of which element(in its highest oxidation state) shows least tendency to polymerise? A)B B)Cl C)S D)P doubts : on what factors does tendency to polymerize depend on?? ...
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The oxoanions of which element(in its highest oxidation state) shows least tendency to polymerise? A)B B)Cl C)S D)P doubts : on what factors does tendency to polymerize depend on?? ...
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The oxoanions of which element(in its highest oxidation state) shows least tendency to polymerise? A)B B)Cl C)S D)P doubts : on what factors does tendency to polymerize depend on?? ...
