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Important Questions, 1. Ifa, , b+1, , +, , value, , 0, then, , =, , of a b, +, , +, , 1, , what will be the, , 3ab?, , -, , (A)-1, , (B) 1, , (C) 3, , (D) 0, , 2. If, , a, , then, , -, , b, , =, , 3. b, , what, , -, , c, , will, , =, , be, , 5 and, the, , (NCERT), , 3. If x+F, , 3 , then what will be the, , c -, , a, , -, , 2x, , 5, then tind, , 3-5r+3, (NCERT, , value, , =1,, , (A) 113, , (B) 129, , of, , (C) 123, , (D) 126, =, , a +b +tc, , x+, , value of x+-, , 4. If *+y a and ay, value of r-xy- y, , a+b+c -3abc, , 5. If, , =, , +, , b°,, , then find the, in the form of, , a and b, , (A) 10.5, , B) 15.5, , (A) (a+4b) a, , C) 17.5, , (D) 20.5, , (C) a-4b'a, , (B) a*-36, (D)a*+362, , 6., , (A) 5, , B)5, , (C) 4, , D), , If a+b +c, , -2 (a, , -, , b, , find 2a-3b +4c., (A) 3, , (B), , (C) 2, , (D) 4, , -c) 3. then, -

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t f+ - 4x- 4y t 8 - 0, then find the, , 7, , (A) 1, (C) xy + yz, , value of* -y., (A) 4, , (B)-4, , (C) 0, , (D) 8, , 8. If (a - ), , 36+, , 7e i l l be, , 27x, , (A) 1, , (1B) 0, , (C) 3abe, , (D)a2+h2+2, , (A) 118, (C) o, , 18. If x, , (D) 1, , 11, , then the value of, , ** 4, , S, , valueof Bx'+, , hte-0,then find a 6 t, , a + b), then find the value, , x+2a, , 9. If, , 2, , (B) 3, , (A) 12, (C) -, , (1) None of these, , 17. If a, b and c be the real numbers and a, , + (6 + 2)*+(c + 1) - 0 ,then, , the value o f 2 a -, , w i l l be, , (NCERT), , (A) 18, , (B) 36, , C) 24, , (D) 16, 0,, , thenthe value of (3a +b+ 2c) is, (A) 3, , (B) -1, , (C) 2, , D) 5, , 27. If xy (x, , (NCERT), , (A) a, , (B) 2ab, , (A) 0, , (C), , (D) 2, , C) 3, , will, , is real, then what, , 28. If a, , (B) 0, , C) 2, , D) - 2, , +6, , db,, , C) -, , 29., , be the, , value, , (B)+y +2, , (A) Cz, , D) 2, , 1, , If + x -322, then (x -x) will be, (B) 4, , of a-25?, , 21. If x=btc-2a, y = c +a-2b, z=a-, , b 2c, what will be the value of x* +y, (NCERT)), 2+2xy?, , 5, , B) 2, , (B)a+ b +c, , (A) 0, , C) a-b +c, D), , (D) -1, , (C) 0, 30. If x y, , =2 and + = 20, then the, , 22. If a + b +c, , (D) a+b-c, 0, what will be the value, , NCERT, , value of (x +yf willbe, , D) 3, , C) 9, , 2a +3b, , (D)-2, then find the value of, , B), , (A) 0, , bethe value of *"+?, , (A) 1, , (B)I, , (A) 3, , then what will, , (C) 1, , 1, then find the value of, , y), , x+2b, , 20. If x +y+z=0, then find, , (), , +, , of2 ?, , 19. If x + - 2 and x, , 10. If (3a+ 1 + (6 - 1) + (2 - 3, , 1.If, , 5, then what will be the, , 26. If 3x +, , zr, , (A) 24, , B) 42, , (C) 12, , D) 21, , 31. f, , 2+5x +2, , * tind+, , (A) 2, , of product of, , (D) -2, 12. If 4x18y, find, , (A)3, , 1, , :, , (A)4096, , (B) 3066, , (C) 3616, , (D) 4226, , 727,thenfind -, , (A) 125, (C) 155, 15., , Ifr+y +z, , =, , (B), , (C) 1, , D) 0, , 24.Ifx, , 4, , 3, then find the value of, , 206+ 200+ 90+ 4 + x8+2+ +1, (C) 84, , (D) 206, , yz, x), , =, , b, , (B) 0, , (C) -1, , (D)-2, , 33. The, , (A)0, , 0, then the, , (r+y)(y+ 2)(2 +, , (A) 2, , (D) 170, , (D) a, , (A) 1, , (b-3)(c-1)., , (B) 1, , =, , (C) a +c- b, 16,, , 23. If a +b +c8, then find the value of, (a -4 +(b -3 + (c-1 -3 (a 4), , (B) 140, , If a-b3-3-3abc 0, then, (B) a +b +c=0, (A) a= b =c, , Sx3-5y, , 0,then what, , (-c, , (NCERT), , of, , (a-b, , (b- c ) (¢ - a), , (c-a), , (A) 0, , (B) 3, , C), , (D) 2, , 34. If, , 3x, y, , then tind 3x+ y, (NCERT), , will be the value of, (A)-5, (C) 2, , ¢quals to, , value, , (a-b)(c-a) (a -b) (6-c), , +c, , expression, , (NCERT), , (c+a)(c +b), , 0, , (C) 9, , 12 and y= 4, then find (x + y), , -, , B) -3, , (A) 8, , (D), , +, , (a+c)(6 + a), , (a+ b)(b+c), , (NCERT), , 14. If, , 32. If a + b +c=0 , then find the value of, , (), , 2, 13. Ifx, , +,8+*, , (B) 5, (D) 3, , (A), , (B)5, , (C), , (D) 1