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If x is real,then the maximum value of y=2(a-x)(x+√(x2+b2) ...
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Why do you think Pd or Ni can act as a good reducing agent (a good hydrogen donor)? ...
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Newton's 3rd law states that to every action there is an equal and opposite reaction on two different bodies.... But, A ball has mass m. it goes and hits a wall with f=ma. let this force be f1. now change the frame of referen ...
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sin a+cos b=2/3 sin b+cos a=1/3 Find tan((a-b)/2)? Note:Please give the shortest method....I know the longer one... ...
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The total number of three digit numbers, the sum of whose digits is even, is equal to: (A) 450 (B) 350 (C) 250 (D) 325 ...
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A class contains 3 girls and four boys. Every Saturday five students go on a picnic, a different group of students is being sent each week. During the picnic, each girl in the group is given a doll by the accompanying teacher ...
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Five balls of different colours are to be placed in three boxes of different sizes. Each box can hold all five balls. The number of ways in which we can place the balls in the boxes ( order is not considered in the box) so th ...
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Why do we see the characteristic colour of a metal ion when a salt of that metal ion is introduced in the flame? Why is it that all metal ions do not give the flame test? ...
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1.922 g of MeOH was burnt in a constant-volume bomb calorimeter. The temperature of water rose by 4.2oC. If the heat capacity of the calorimeter and its contents is 10.4kJoC-1, calculate the molar heat of combustion of MeOH. ...
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find the minimum value of th modulus of the sum of all 6 trigo functions.. ...
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A man throws a ball horizontally with a velocity vo from a distance of 4m vertically above the lowest point of the incline.He throws it towards the incline.The ball hits the inclined plane perpendicularly.Find vo?(g=10m/s2) ...
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In a multiple choice question there are four alternative answers, of which one or more are correct. a candidate will get marks in the question only if he ticks all the correct answers. The candidate decides to tick the answer ...
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If four squares are chosen random on a chessboard, find the probability that they lie on a diagonal line. ...
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there is a city..which is full of thieves....john wants to send a ring to mary...but since the city is full of thieves..so he put the ring in a box...and put a lock on it...if he sends this to mary...mary cannot open it since ...
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