A definite collection of welldefined objects is known as a..............., set, relation, null set, function, 3N n 5N =.......,if N is the set of natural number, 3N, 5N, 8N, 15N, IF (2X-3Y ,5)=(1, 3Y-X) then Y=?, 11/6, 3/11, 11/9, 11/3, 2x+8 <3x -7 then x lies in the interval ..............., (15,∞), (-∞,15), (-15,15), nota, the range of signum function is....................., {-1,0}, {0,1}, {-1,0,1), R, IF sinX +cos X =√2 then x=?, ♫/3, ♫/4, ♫/2, ♫, cos( 28♫/3)=................, -1/2, 1/2, -√3/2, v3/2, tan1° .tan 2° ..............tan89°=............., 0, -1, 1, none of these, cojugate of complex number (2-7i ) (1-i)=?, -5-9i, -5+9i, 5-9i, 5+9i, The distance of complex number of 7-2i from origin is............, √57, √54, √53, √34, IF n(AUB)=25 ,n(A)=12 , n(A-B)=8 then n(B)= ............, 16, 17, 18, 19, A={7,10,13,16} then number of relation on A=..............., 2 16, 2 15, 2 4, 16, IF a=2 b=3 and c=5 then sinA=? , -1/2, 1, -1, None of these, If Z=5-i then multiplicative inverse of Z is...... , (5/26)+i (1/26), (5/26)-(1/26)i, 5+i, None of these, If n(A)=2, n(B)=6 then number of function from A to B is..... , 32, 36, 64, 96, What is the degree measure of -4°, -229°5'37'', 339°6'89'', -229°5'27'', None of these, Which of the following is a null set? , Set of star in sky, Set of month having 32 days, Set of prime number, Set of week having 7days, [-8.7]=...... if [x] denoted as greatest integer function, 9, -9, 8, -8, If sinx=3/5 cos=-12/13 where x and y both are in second quadrant then sin(x+y)=..... , -56/65, 56/65, 1, 0, (Cos7x+cos5x)÷(sin7x-sin5x)=..... , Cosx, Cotx, tanx, None of these.

class -xi mcq test

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