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  • Question
  • What is the remainder when 1523+2323 is divided by 19 ?


  • Options
  • A. 4
  • B. 3
  • C. 1
  • D. 0

  • Correct Answer


  • Explanation

    15 23 + 23 23 = 19 - 4 23 + 19 + 4 23   

     The remainder on dividing by 19 will be  - 4 23 + 4 23 = 0.


  • Numbers problems


    Search Results


    • 1. 3131×31-27 =?

    • Options
    • A. 961 x 861
    • B. 961 x 961
    • C. 961 x 2
    • D. 29791
    • Discuss
    • 2. The product of a number and its multiplicative inverse is

    • Options
    • A. 1
    • B. 0
    • C. -1
    • D. Infinity
    • Discuss
    • 3. Find the number of factors of 9321 ?

    • Options
    • A. 4
    • B. 5
    • C. 7
    • D. 8
    • Discuss
    • 4. If x is a whole number, then x²(x² - 1) is always divisible by ?

    • Options
    • A. 4
    • B. 8
    • C. 12
    • D. None
    • Discuss
    • 5. If V = 12R / (r + R) , then R =

    • Options
    • A. Vr / (12 - V)
    • B. Vr + (V /12 )
    • C. V
    • D. V / (r - 12 )
    • Discuss
    • 6. Find the next number in the series 2, 3, 4, 8, 9, 10, 11, 16, 17, 18, 19, 20,...

    • Options
    • A. 27
    • B. 26
    • C. 24
    • D. 25
    • Discuss
    • 7. Find the next number in the series 141,137,146,130,155,119,...

    • Options
    • A. 147
    • B. 168
    • C. 162
    • D. 182
    • Discuss
    • 8. In a triangle ABC, angle 'a' is the smallest one & A+7B = 112. Find the range of value 'c' ?

    • Options
    • A. 138 to 164
    • B. 125 to 147
    • C. 148 to 158
    • D. 152 to 164
    • Discuss
    • 9. Which expression is equivalent to i233 ?

    • Options
    • A. i
    • B. 1
    • C. -i
    • D. -1
    • Discuss
    • 10. If n is natural number , then 6n2+6n is always divisible by :

    • Options
    • A. 6 only
    • B. 6 and 12 both
    • C. 12 only
    • D. by 18 only
    • Discuss


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