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  • Question
  • The value of (1(p-n)(n-q)+1(n-q)(q-p)+1(q-p)(p-n)) is


  • Options
  • A. 1
  • B. 0
  • C. p+q+n
  • D. 2np+q

  • Correct Answer



  • Simplification problems


    Search Results


    • 1. If x+1x:x-1x=5:3 then the value of x is

    • Options
    • A. +- 1
    • B. +-2
    • C. +-3
    • D. +-4
    • Discuss
    • 2. If x+1x ?0 and x3+1x3 = 0, then the value of x+1x4 is :

    • Options
    • A. 9
    • B. 12
    • C. 15
    • D. 16
    • Discuss
    • 3. If 310 × 272 = 92 × 3n then the value of n is

    • Options
    • A. 10
    • B. 12
    • C. 15
    • D. 20
    • Discuss
    • 4. If l + m + n = 9 and l2+m2+n2 = 31 , then the value of lm + mn + nl will be

    • Options
    • A. 22
    • B. 50
    • C. 25
    • D. -25
    • Discuss
    • 5. What is the value of 36+729381+643

    • Options
    • A. 5/12
    • B. 5/9
    • C. 4/9
    • D. 4/15
    • Discuss
    • 6. The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be

    • Options
    • A. 39 m
    • B. 89 m
    • C. 1.6 m
    • D. 40 m
    • Discuss
    • 7. Simplify: (213 x 213 + 187 x 187)

    • Options
    • A. 80338
    • B. 80438
    • C. 60338
    • D. 60438
    • Discuss
    • 8. If 2x + 2(4 + 3x) < 2 + 3x > 2x + x/2; then x can take which of the following values?

    • Options
    • A. -3
    • B. 1
    • C. 0
    • D. -1
    • Discuss
    • 9. What should come in place of question mark (?) in the following question? 52000 ÷ 40 ÷ 65 × 30 = ? - ?400

    • Options
    • A. 580
    • B. 620
    • C. 720
    • D. 780
    • Discuss
    • 10. What should come in place of question mark (?) in the following question? 12.5 × 3.2 × 8.8 = ?

    • Options
    • A. 358
    • B. 355
    • C. 354
    • D. 356
    • Discuss


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