Page 162 - sscbbb

मदद [√ ] +√ ]=1 है,तो (1–a2)(1–b2) का भान क्मा होगा?
19 February 2018 SSC MAINS
[A] 1⁄4 [B] 4/7 [C] 5/4 [D] 3/4
178. If 3x + 4y – 11 = 18 and 8x – 6y + 12 = 6, then what is the value of 5x – 3y – 9?
मदद 3x+4y–11=18औय 8x–6y+12=6है तो 5x–3y–9का भान क्मा होगा?
19 February 2018 SSC MAINS
[A] 18 [B] – 9 [C] – 27 [D] – 18
179. If a + b + c = 7/12, 3a – 4b + 5c = 3/4 and 7a – 11b – 13c = – 7/12, then what is the value of a + c?
मदद a+b+c=7/12,3a–4b+5c=3/4औय 7a–11b–13c=–7/12है तो a+cका भान क्मा होगा? 19 February 2018 SSC MAINS
[A] 1⁄2 [B] 5/12 [C] 3⁄4 [D] 1/4
180. If x + y + z = 22 and xy + yz + zx = 35, then what is the value of (x-y)2 +(y-z)2 +(z-x)2?
मदद x+y+z=22औय xy+yz+zx=35,तो(x-y)2 +(y-z)2+(z-x)2 का भान क्मा है? 20 February 2018 SSC MAINS
[A] 793 [B] 681 [C] 758 [D] 715 181. If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?
मदद (x+y)/z=2,तो [y/(y–z)]+[x/(x–z)]का भान क्मा है?
20 February 2018 SSC MAINS
[A] 0 [B] 1 [C] 2 [D] –1
182. If α and β are the roots of equation x2 - 2x + 4 = 0 , then what is the equation
whose roots are and ?
मदद α औय β सभीकयण x2 -2x+4=0 के भरू हैं,तो िह सभीकयण क्मा है जजसके भरू
औय
[A]x2 -4x+8=0
[C]x2 -2x+4=0
183. If one root of the equation Ax2 + Bx + C = 0 is two and a half times the others, then which of the following is TRUE?
मदद सभीकयण Ax2 +Bx+C=0का एक भरू अन्म से ढाई गणु ा है,तो ननम्नभरखखत भें से कौन सा सत्म है? 20 February 2018 SSC MAINS
[A]7B2 =3CA [B]7B2 =4CA [C]7B2 =36CA [D]10B2=49CA 184. If x2 – 12x + 33 = 0, then what is the value of (x – 4) 2 +[1 / (x-4)2?
मददx2 –12x+33=0तो, (x–4)2 +[1 /(x-4)2का भान क्मा है?
है? 20 February 2018 SSC MAINS
[B]x2 +32x+4=0 [D]x2 -16x+4=0
170