Odd Day (āĻ âāĻĄ āĻĄā§) āĻāĻŋ ? Find Examples
Odd Day (āĻ ’āĻĄ āĻĄā§) āĻāĻŋ ?
When total days are divided by 7, the remainder is called Odd Day. āĻŽā§āĻ āĻĻāĻŋāĻ¨āĻ ā§ā§°ā§ āĻāĻžāĻ āĻā§°āĻŋāĻ˛ā§ āĻ¯āĻŋ āĻ ā§ąāĻļāĻŋāĻˇā§āĻ āĻĨāĻžāĻā§, āĻ¤āĻžāĻā§āĻ Odd Day (āĻ ’āĻĄ āĻĄā§) āĻā§ā§ąāĻž āĻšāĻ¯āĻŧāĨ¤
Ex : 15 days ÷ 7 = 2 weeks + 1 day
Ans: 1 Odd Day
Odd Days in a Year
Ordinary Year (365 days) :
365 = 52 weeks + 1 day → 1 Odd Day : ā§Šā§Ŧā§Ģ āĻĻāĻŋāĻ¨ = ā§Ģā§¨ āĻ¸āĻĒā§āĻ¤āĻžāĻš + ā§§ āĻĻāĻŋāĻ¨ → ā§§āĻāĻž Odd Day
Leap Year (366 days)
366 = 52 weeks + 2 days → 2 Odd Days : ā§Šā§Ŧā§Ŧ āĻĻāĻŋāĻ¨ = ā§Ģā§¨ āĻ¸āĻĒā§āĻ¤āĻžāĻš + ā§¨ āĻĻāĻŋāĻ¨ → ā§¨āĻāĻž Odd Day
Rule (Very Important)
- Future day → ADD (+) odd days : āĻā§ąāĻŋāĻˇā§āĻ¯ā§ āĻĻāĻŋāĻ¨ → āĻ¯ā§āĻ (+)
- Past day → SUBTRACT (−) odd days : āĻāĻā§° āĻĻāĻŋāĻ¨ → āĻŦāĻŋā§ā§āĻ (−)
Solved Examples
Q1. If today is Wednesday, what day will it be 100 days later ?
Soln: 100 ÷ 7 = 14 weeks + 2 days
Ans : 2 Odd Days
Future → Add
Wednesday + 2 days = Friday
Ans: Friday (āĻļā§āĻā§ā§°āĻŦāĻžā§°)
Q2. If today is Wednesday, what day was it 491 days ago ?
Soln: 491 ÷ 7 = 70 weeks + 1 day
Ans: 1 Odd Day
Past → Subtract
Wednesday − 1 day = Tuesday
Ans: Tuesday (āĻŽāĻāĻ˛āĻŦāĻžā§°)
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ODD DAY – MCQs
Q3. If today is Sunday, what day was it 61 days ago ?
Soln: 61 ÷ 7 = 8 weeks + 5 days
Ans : 5 Odd Days
2nd: Past → Subtract
Sunday − 5 days
→ Saturday (1)
→ Friday (2)
→ Thursday (3)
→ Wednesday (4)
→ Tuesday (5)
Ans: Tuesday : āĻŽāĻāĻ˛āĻŦāĻžā§°
Q4. What is an Odd Day? | Odd Day āĻŽāĻžāĻ¨ā§ āĻāĻŋ ?
a) Total weeks | b) Remainder after ÷7 | c) Months | d) Leap year
Ans: b) Remainder after ÷7
Explanation: Remainder after dividing days by 7 is Odd Day.
āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻĻāĻŋāĻ¨āĻ ā§ā§°ā§ āĻāĻžāĻ āĻā§°āĻŋāĻ˛ā§ āĻ¯āĻŋ āĻ
ā§ąāĻļāĻŋāĻˇā§āĻ āĻĨāĻžāĻā§ āĻ¤āĻžāĻ Odd Day āĻā§ā§ąāĻž āĻšāĻ¯āĻŧāĨ¤
Q2. Odd days in an ordinary year are - āĻ¸āĻžāĻ§āĻžā§°āĻŖ āĻŦāĻā§°āĻ¤ Odd Day āĻāĻŋāĻŽāĻžāĻ¨ ?
a) 0 | b) 1 | c) 2 | d) 7
Ans: b) 1
Explanation: 365 = 52 weeks + 1 day : āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: ā§Šā§Ŧā§Ģ = ā§Ģā§¨ āĻ¸āĻĒā§āĻ¤āĻžāĻš + ā§§ āĻĻāĻŋāĻ¨
Q3. Odd days in a leap year are - Leap yearāĻ¤ Odd Day āĻāĻŋāĻŽāĻžāĻ¨ ?
a) 0 | b) 1 | c) 2 | d) 3
Ans: c) 2
Explanation: 366 = 52 weeks + 2 days : āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: ā§Šā§Ŧā§Ŧ = ā§Ģā§¨ āĻ¸āĻĒā§āĻ¤āĻžāĻš + ā§¨ āĻĻāĻŋāĻ¨
Q4. If today is Monday, what day will it be after 9 days ? āĻāĻāĻŋ āĻ¸ā§āĻŽāĻŦāĻžā§° āĻšāĻ˛ā§ ā§¯ āĻĻāĻŋāĻ¨ āĻĒāĻžāĻāĻ¤ āĻā§āĻ¨ āĻĻāĻŋāĻ¨ ?
a) Tuesday | b) Wednesday | c) Thursday | d) Friday
Soln: 9 ÷ 7 = 2 odd days → Monday + 2 = Thursday
Ans: Thursday (āĻŦā§āĻšāĻ¸ā§āĻĒāĻ¤āĻŋāĻŦāĻžā§°)
Q5. If today is Friday, what day was it 15 days ago ? āĻāĻāĻŋ āĻļā§āĻā§ā§°āĻŦāĻžā§° āĻšāĻ˛ā§ ā§§ā§Ģ āĻĻāĻŋāĻ¨ āĻāĻāĻ¤ā§ āĻā§āĻ¨ āĻĻāĻŋāĻ¨ āĻāĻāĻŋāĻ˛ ?
a) Monday | b) Tuesday | c) Wednesday â | d) Thursday
Soln: 15 ÷ 7 = 1 odd day → Past (−) → Friday − 1 = Wednesday
Ans: Wednesday (āĻŦā§āĻ§āĻŦāĻžā§°)
Q6. If today is Sunday, what day will it be after 61 days ? āĻāĻāĻŋ āĻĻā§āĻāĻŦāĻžā§° āĻšāĻ˛ā§ ā§Ŧā§§ āĻĻāĻŋāĻ¨ āĻĒāĻžāĻāĻ¤ āĻā§āĻ¨ āĻĻāĻŋāĻ¨ ?
a) Friday | b) Saturday | c) Tuesday â | d) Monday
Soln: 61 ÷ 7 = 5 odd days → Sunday + 5 = Tuesday
Ans: Tuesday (āĻŽāĻāĻ˛āĻŦāĻžā§°)
Short Tricks
- Future days → ADD (+) odd days : āĻā§ąāĻŋāĻˇā§āĻ¯ā§ āĻĻāĻŋāĻ¨ → āĻ¯ā§āĻ (+)
- Past days → SUBTRACT (−) odd days : āĻāĻā§° āĻĻāĻŋāĻ¨ → āĻŦāĻŋā§ā§āĻ (−)
- 7 days or multiple of 7 → Same day : ā§ āĻŦāĻž ā§ā§° āĻā§āĻŖāĻŋāĻ¤āĻ → āĻĻāĻŋāĻ¨ āĻ¸āĻ˛āĻ¨āĻŋ āĻ¨āĻšā§
- Ordinary year = 1 Odd Day | Leap year = 2 Odd Days