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  • Question
  • If a2+b2=80 and ab = 32, then calculate the value of a-b/a+b.


  • Options
  • A. 0.337
  • B. 0.339
  • C. 0.333
  • D. 0.335

  • Correct Answer
  • 0.333 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If Tan ? = 4/3, then what is the value of Sin ??

    • Options
    • A. 1.25
    • B. 0.8
    • C. 4/3
    • D. 3/4
    • Discuss
    • 2. ? LMN is right angled at M. If m?N = 60 deg., then Tan L =______.

    • Options
    • A. 1/2
    • B. 1/?3
    • C. 1/?2
    • D. 2
    • Discuss
    • 3. What is the value of Cot 45° + Cosec 60°?

    • Options
    • A. (?6 + 1)/?3
    • B. (1 + ?3)/2
    • C. 5/?3
    • D. (?3 + 2)/?3
    • Discuss
    • 4. If a - b = 1 and ab = 6, then what is the value of a3- b3 ?

    • Options
    • A. 21
    • B. 23
    • C. 19
    • D. 25
    • Discuss
    • 5. If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

    • Options
    • A. 16
    • B. 4
    • C. -6
    • D. -4
    • Discuss
    • 6. What is the value of (-7776)25

    • Options
    • A. 16
    • B. 36
    • C. 64
    • D. 21
    • Discuss
    • 7. What is the value of x3-1x3+8 when 8x-8x-16=0 ?

    • Options
    • A. 6
    • B. 8
    • C. 16
    • D. 22
    • Discuss
    • 8. What is the simplified value of 12-13 ?

    • Options
    • A. 5?3
    • B. 5/?3
    • C. 3?5
    • D. 3/?5
    • Discuss
    • 9. What is the value of (cot30°+ 2/?3) ?

    • Options
    • A. 5/?3
    • B. (1+2?3)/2
    • C. 5/6
    • D. 2/?3
    • Discuss
    • 10. ?XYZ is right angled at Y. If tanX = 24/7, then what is the value of cotZ ?

    • Options
    • A. 25/7
    • B. 24/25
    • C. 7/24
    • D. 24/7
    • Discuss


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