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  • Question
  • A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:


  • Options
  • A. 29
  • B. 37
  • C. 42
  • D. 54

  • Correct Answer
  • 42 

    Explanation

    After 10 days : 150 men had food for 35 days.

     

    Suppose 125 men had food for x days.

     

    Now, Less men, More days (Indirect Proportion)

     

    ?  125 : 150 :: 35 : x    ?    125 x x = 150 x 35

     

      ? x = 150 × 35 125 = 42

     

     


  • More questions

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      Five coins are tossed at a time. Then, the probability of obtaining at least one tail is

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    • A. 31/32
    • B. 1/32
    • C. 1/5
    • D. 5/32
    • Discuss
    • 2. 
      Find the maximum number of tree which can plant 20 m apart on the two side of straight road 1760 m long

    • Options
    • A. 174
    • B. 176
    • C. 180
    • D. 178
    • Discuss
    • 3. 
      1307 x 1307 =?

    • Options
    • A. 1601249
    • B. 1607249
    • C. 1701249
    • D. 1708249
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    • 4. 
      The circumferences of two concentric are 176 m and 132 m respectively. what is the difference between their radii?

    • Options
    • A. 5 meter
    • B. 7 meter
    • C. 8 meter
    • D. 44 meter
    • Discuss
    • 5. 
      (1/2 ÷ 4 + 20) / (1/2 x 4 + 20) =?

    • Options
    • A. 81 / 88
    • B. 23/11
    • C. 161 / 176
    • D. 1
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    • 6. 
      Find the cardinal number of the following set {x: x = 2n, n ? N, 4 ? x ? 11}

    • Options
    • A. 8
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    • 7. 
      If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 18 26/ 27. Find the fraction.

    • Options
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    • 8. 
      (0.04) 3 =?

    • Options
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      If a + b + c = 8, then the value of (a ? 4)3 + (b ? 3)3 + (c ? 1)3 ? 3 (a ? 4) (b ? 3) (c ? 1) is

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    • 10. 
      3571 +? - 6086 = 155

    • Options
    • A. 2400
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