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  • Question
  • If a + b = 8 and ab = 15, then what is the value of a3 + b3?


  • Options
  • A. 98
  • B. 152
  • C. 124
  • D. 260

  • Correct Answer
  • 152 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?

    • Options
    • A. 7
    • B. 20
    • C. -7
    • D. -20
    • Discuss
    • 2. If Sec ? = 13/12, then Cot ? = ?

    • Options
    • A. 12/5
    • B. 13/5
    • C. 5/13
    • D. 5/12
    • Discuss
    • 3. ? XYZ is right angled at Y. If m?Z = 60°, what is the length of YZ (in cm), if ZX = 3?3 cm?

    • Options
    • A. 3?3/2
    • B. 3?3
    • C. 9
    • D. 6
    • Discuss
    • 4. What is the value of Sin 30° + 2 Cos 30° ?

    • Options
    • A. (2?2 + 3)/?6
    • B. (9 + 2?3)/9
    • C. (1 + 2?3)/2
    • D. (2?6 + 1)/?3
    • Discuss
    • 5. ax + 3y = 6 has slope -2/3. What is the value of a?

    • Options
    • A. -2
    • B. 2
    • C. 3
    • D. -3
    • Discuss
    • 6. Point A (4 , 2) divides segment BC in the ratio 2:5. Co-ordinates of B are (2 , 6) and C are (7 , y). What is the value of y?

    • Options
    • A. 8
    • B. -8
    • C. 6
    • D. -6
    • Discuss
    • 7. Tan 45° + Cosec 60° =

    • Options
    • A. (1 + 2?2)/2
    • B. (?3 + 2)/?6
    • C. 5/?3
    • D. (3 + 2?3)/3
    • Discuss
    • 8. ?XYZ is right angled at Y. If m?Z = 60°, then Cosec X =

    • Options
    • A. 2
    • B. 1/2
    • C. 1/?2
    • D. 1/?3
    • Discuss
    • 9. If Cosec ? = 17/8, then Cot ? = ?

    • Options
    • A. 17/8
    • B. 15/8
    • C. 8/15
    • D. 17/15
    • Discuss
    • 10. What is the area (in sq cm) of a regular hexagon of side 9 cm?

    • Options
    • A. 50?3
    • B. 300?3
    • C. 243?3/2
    • D. 200?3
    • Discuss


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