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Numbers 1,2,3,...100 are written down on each of the cards A,B & C. One number is selected at random from each of these cards. The probability that the numbers so selected can be the measures (in cm) of three sides of a right ...
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Let n be a positive integer with f(n) = 1! + 2! + 3! +........n! and R(x) and Q(x) be polynomials in x such that f(n+2)= R(n)f(n+1) + Q(n)f(n) for all n≥1. Now let P(x) = - Q(x)/R(x) (for all x ≥ 1) denotes th ...
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The number of ordered pairs of non-negative integers {a,b} having sum 7596 without any carries is equal to ...
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oxidation state of Cr in chromium pentaoxide is ...
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The strongest acid out of the list given below is(choose on the basis of first dissociation constant) ...
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Aqueous solution of PH3 forms a ...
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hybridisation of B(boron) atom in borax is ...
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A curve passing through the point (1,1) has the property that the perpendicular distance of the origin from the normal at any point P of the curve is equal to the distance of p from the x-axis. Determine the equation of the c ...
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sin(A+B) is..... ...
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Sin[ 2cos-1{cot(2tan-1 x)} ]= 0...... solve for positive value of x... ...
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In any Triangle ABC, if A = tan-12 and B = tan-13,wat is c??? ...
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Which of the following does not show mutarotation? ...
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2.Pdt of reaction--- CH3 C (CH3)2 Cl + NaO C (CH3)3+Δ→ ...
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total symmetry(plane of symmetry + axis of symmetry) present in benzene molecules is? ...
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cycloocatatetraene is ?? ...
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1. Cl-CH2CH2CHCHCl + KCN→ (a) + H20(H+) →(b). What is (b) ? ...
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Single Correct Answer: (5 marks) A lift starts to accelerate upwards with an acceleration g from speed 0 A ball is dropped by a man in the lift from a height 1 meter simultaneously. The ball collides elastically. What will be ...
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Refer question 44! ...
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Refer Q 44! ...
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For the Questons 44,45 and 46. See this below and mark all relevant options. (All 3 quesitions are right here!) An elastic thread is attached to two masses on each side The maximas of the quantities in Table 1 will not depend ...
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What is the maximum distance between the bee and the train at any time? ...
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After how many bounces with the train, will the bee finally reach the original position.? ...
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When will the distance travelled by the train be equal to two times the distance travelled by the honey bee? ...
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For the questions 40 to 43 Read the paragraph below and answer the questions that follow A train moves on the circular path of Radius R as shown in the figure for infinite time. It never stops! So does a honey bee. *Image* Th ...
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Statement 1: A ball moving in a circular path with fixed speed has constant acceleration Statement 2: The force acting on a ball moving in circular motion at velocity v is always in the inward direction with magnitude v2/r ...
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Statement 1: Work done by friction when a man walks is zero (No slipping!) Statement 2: This is because the man moves in the perpendicular direction to the force! No the dot product F.ds becomes zero ...
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Assertion Reasoning Questions Statement 1: A ball strikes a wall at an angle of 45 degree to the normal. The coefficient of restitution is "1" The Ball loses energy after collision. Statement 2: This is because fricti ...
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Which of the following is true about coefficient of restitution? ...
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Which of the following is true ...
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A particle of mass m moves on the x-axis as follows: It starts from rest at t=0 from the point x=0 and comes to rest at t=1 at point x=1. No other information is available about its motion at intermediate time ...