Mathematics MCQ Question and Answer

Mathematics MCQ Question and Answer
91. If x + 1/x = 99, then the va1ue of l00x/(3x2+103x+3) is
  • 3/4
  • 1/4
  • 5/4
  • 7/4
Show Answer
92. If x = ay, = bx then the value of (1/a+1) + (1/b+1) is

  • —1
  • 2
  • 0
  • 1
Show Answer
93. If (x+ 1) is a factor of x3+11x2+ 15x+a then the value of ‘a’ is


  • 2
  • 3
  • 5
  • 4
Show Answer
94. The HCF and LCM of two algebraic expressions respectively are (x — 1) and (x2 1) (x— 1). If one of the expression is (x2— 1) then the other is
  • x2+ 1
  • (x + 1)2
  • (x – 1)2
  • x3 – 1
Show Answer
95. If (a – x)/(b – x)= a2/b2 then the value of x is

  • b/(a + b)
  • a/(a – b)
  • ab/(a + b)
  • a/(a + b)
Show Answer
96. The value of 0.9 x 0.9 x 0.9 + 0.1 x 0.1 x 0.1/ 0.9 x 0.9 —0.9 x 0.1 + 0.1 x 0.1 on simplification is
  • 0
  • —1
  • 2
  • 1
Show Answer
97. If x2 + y2 + 2x + 1 = 0, and x = -1, then the value of x2 + y2 is
  • 2
  • 1
  • -1
  • 0
Show Answer
98. If a2 + b2 + c2 – ab – bc – ca = 0, then the value of a: b: c is
  • 1:1:1
  • 1:2:3
  • 1:3:4
  • 1:4:1
Show Answer
99. If x+ y =5; x2+y2=l3 then the value of x3 + y3 is
  • 34
  • 36
  • 35
  • 37
Show Answer
Quantitative Aptitude
Questions and Answers for Competitive Exams Various Entrance Test