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The value of x and y in the linear equation 2x-y=2 is1)A)x = 2, y =2B)x= 2, y = -2D)x=-2,y =2C)x=-2,y =-22) Solving the pair of linear equati ons xty=10 and 2x-y=11 the value of x and y will be2)A)x= 7,y= -3B) x= -7, y= -3D) x= -7, y=3C)x 7,y 3The standard form of the quadratic equation 5x2-4(4x-3)=0 isA) 5x2-16x-3=0B) 5x2+16x-12=0D) 5x-16x+12=0C) 5x2-16x-12=0The pair of linear equations which form coincident lines areA)A)x-2y 0 and 3x+4y=20B) 3x+5y=25 and 6x+10y=50C) x-2y 4 and 2x+4y=12D)x +y=8 and x-y=4In an A.P. sum of first 21 tems and sum of first 20 tems are 512 and 485 respectively5)then the 21st term is_B) 27A) 72C) 37D) 286) The 18th tem of an A.P. 5,7,9,11-- is6)B) 93A) 39C) 36D) 37 |
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Answer» १a २a३c |
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