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  • Question
  • Which of the following day could be the 18 th October 2050?


  • Options
  • A. Tuesday
  • B. Frfiday
  • C. Thursday
  • D. Saturday

  • Correct Answer
  • Tuesday 

    Explanation

    From Zeller's Formula
    f = k + [13 x m - 1 / 5] + D + [D/4] + [C/4] - 2 x C.
    In this case k = 18 (since 18th October)
    Month m = 8 (As march = 1, April = 2, May = 3, October = 8)
    D is the last two digit of year here D = 50 (As year is 2050)
    C is the 1st two digit of century here C = 20 (As year is 1950)
    f = 18 + [13 x 8 - 1 / 5] + 50 + [50/4] + [20/4] - 2 x 20.
    f = 18 + [103/5] + 50 + [12.5] + [5] - 40.
    f = 18 + 20 + 50 + 12 + 5 - 40 = 65.
    When divided by 7 we will get remainder 2, hence number of odd days is 2,
    So 18th October 2050 is 2 days more than Sunday, i.e Tuesday.


  • More questions

    • 1. 
      0.0169 / 0.013=?

    • Options
    • A. .13
    • B. .013
    • C. 1.3
    • D. 13
    • Discuss
    • 2. 
      Two posts are x meter apart and the height of one is double that of the other. If from the midpoint of the line joining their feet, an observer finds the angular elevations of their tops to be complementary, then the height (in meter) of the shorter post is :

    • Options
    • A. x 2 ?2
    • B. x 4
    • C. x ?2
    • D. x ?2
    • Discuss
    • 3. 
      If p/q =4/5, then the value of 4/7 + {(2q - p) / (2q + p)} is?

    • Options
    • A. 3 / 7
    • B. 34
    • C. 1
    • D. 2
    • Discuss
    • 4. 
      What is 25% of 25% is equal to?

    • Options
    • A. 6.25
    • B. .625
    • C. .0625
    • D. .000625
    • Discuss
    • 5. 
      The number .05 is hoe many percent of 20?

    • Options
    • A. 25
    • B. .025
    • C. .25
    • D. 2.5
    • Discuss
    • 6. Find the lowest common multiple of 24, 36 and 40.

    • Options
    • A. 120
    • B. 240
    • C. 360
    • D. 480
    • Discuss
    • 7. 
      8 1/ 3% expressed as a fraction is?

    • Options
    • A. 25/3
    • B. 3/25
    • C. 1/12
    • D. 1/4
    • Discuss
    • 8. 
      .025 in terms of term of rate per cent is?

    • Options
    • A. .25%
    • B. 2.5%
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    • Discuss
    • 9. 
      What percentage of 2/7 is 1/35?

    • Options
    • A. 2.5%
    • B. 10%
    • C. 25%
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    • Discuss
    • 10. 
      A sum of ? 4000 is lent out in two parts, one at 8% simple interest and other at 10% simple interest. If the annual interest is ? 352, the sum lent at 8% is

    • Options
    • A. ? 1600
    • B. ? 2400
    • C. ? 1800
    • D. ? 2800
    • Discuss


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