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Match the No. of common tangents that can be drawn to these circles is (20) x2+y2+2x-2y-2=0 & x2+y2-4x-10y+13=0 (a) 1 (21) x2+y2-4x+8y-29=0 & x2+y2+2x-3=0 (b) 2 (22) x2+y2-6x+16y+37=0 & x2+y2+4x-8y-29= ...
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If in the 2nd part of the question, for each boy who has a crush on a girl, if the girl has a crush on some other guy, then the number of ways this is possible is? ...
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If no girl is the common crush of any other guy, the number of ways is given by? ...
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comprehension for ques 17-19 5 boys and 10 girls go for a school picnic. each boy has a crush on exactly 1 girls and each girl has a crush on exactly 1 boy. What is the number of ways for the guys to have a crush on each othe ...
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Match the following (59) Periodic motion (a) May repeat after equal intervals of time (60) Oscillatory motion (b) May oscillates about mean position (61) SHM (c) will oscillate about a mean position (d) will repeat after equa ...
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A satellite of mass m is orbiting the earth at a height h from its surface.(mass of earth is M and its radius is R) (55) Kinetic energy of the satellite (a) -GMm/(R+h) (56) Potential energy of the satellite (b) GMm/2(R+h) (57 ...
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mathc the following: For motion in a straight line (51) Acceleration (a) is always along the motion of particle (52) Speed (b) maybe along the motion of the particle (53) Velocity (c) is always opposite to motion of particle ...
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Match (89) N2(g)+O2(g) [eq] 2NO(g) (a) Unaffected by inert gas addition (90) A(s)[eq]B(s)+C(g) (b) Forward shift by rise in pressure (91) N2(g)+3H2(g) [eq] 2NH3(g) (c) Unaffected by increase in pressure (92) PCl5(g)[eq] PCl3( ...
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Match (85) ClF3 (a) Trigonal Planar (86) PF3 (b) T-shaped (87) BF3 (c) Pyramidal (88) SF6 (d) Octahedral ...
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primary alcohol formed is ...
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E on iodoform reaction gives ...
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comprehension for ques 75-77 A(C6H12) HCl >B+C (both are C6H13Cl) B alc. KOH >D(isomer of A) D ozonolysisl >E (negative test with Fehling solution but respoonds to iodoform test) A ozonolysis >F+G(both give positi ...
asked2009-04-15 21:12:47