May 2024 Edition
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May 2024 Current Affairs MCQs & Solutions
Top national & international current affairs questions for CSS, PMS, FPSC, PPSC, and NTS screening tests.
#1721
A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?
(a) 1/3
(b) 1/4
(c) 1/5
(d) 1/7
Explanation: Step 1: Initial syrup = 5/8. Target syrup = 1/2. Step 2: Let x be the fraction of mixture drawn off. The fraction of original syrup remaining is (1 - x). Step 3: (5/8) * (1 - x) = 1/2 -> 1 - x = 4/5 -> x = 1/5.
#1722
How many kg of salt at 42 paise per kg must a man mix with 25 kg of salt at 24 paise per kg so that he may on selling the mixture at 40 paise per kg gain 25%?
(a) 15 kg
(b) 20 kg
(c) 25 kg
(d) 30 kg
Explanation: Step 1: CP of mixture = 40 / 1.25 = 32 paise. Step 2: Alligation of 42p and 24p to get 32p. Ratio = (32 - 24) : (42 - 32) = 8 : 10 = 4 : 5. Step 3: 4/5 = x / 25 -> x = 20 kg.
#1723
How many kg of wheat costing Rs. 8 per kg must be mixed with 36 kg of wheat costing Rs. 5.40 per kg so that a 20% gain may be obtained by selling the mixture at Rs. 7.20 per kg?
(a) 10.8 kg
(b) 12 kg
(c) 14.4 kg
(d) 15 kg
Explanation: Step 1: CP of mixture = 7.20 / 1.2 = 6. Step 2: Alligation: 8 and 5.40, mean 6. Ratio = (6 - 5.40) : (8 - 6) = 0.60 : 2 = 3 : 10. Step 3: 3 / 10 = x / 36 -> 10x = 108 -> x = 10.8 kg.
#1724
A grocer buys two kinds of rice at Rs. 18 and Rs. 24 per kg respectively. In what ratio should these be mixed so that by selling the mixture at Rs. 24 per kg, 20% may be gained?
(a) 1:2
(b) 2:1
(c) 3:2
(d) 2:3
Explanation: SP of mixture = 25.20. Gain = 20%. CP of mixture = 25.20 / 1.20 = Rs. 21 per kg. Using alligation: Quantity of cheaper / Quantity of dearer = (24 - 21) / (21 - 18) = 3 / 3 = 1:1. Let me re-read the numbers. Cheap=18, Dear=24. Mix CP=21. (24-21)/(21-18) = 3/3 = 1:1. Wait, let me adjust the options or the question. If SP = 26.40, CP = 22. Ratio = (24-22)/(22-18) = 2/4 = 1:2. If SP = 25.2, CP = 21. Ratio = 1:1. I will change the SP to Rs. 25.2 so it's 1:1? Let's use SP = 24. CP = 20. Ratio = (24-20)/(20-18) = 4/2 = 2:1. Question: SP=24, Gain 20%. CP=20.
#1725
What is the simple interest on Rs. 2500 at 6% p.a. from 4th March to 16th May in the same year?
(a) Rs. 25
(b) Rs. 30
(c) Rs. 35
(d) Rs. 40
Explanation: Calculate the number of days: March (31-4) = 27 days, April = 30 days, May = 16 days. Total = 73 days. Time T = 73/365 = 1/5 years. SI = (2500 × 6 × 1/5) / 100 = (500 × 6) / 100 = Rs. 30.
#1726
If 1st May of a year is Tuesday, what day is 1st June of the same year?
(a) Thursday
(b) Friday
(c) Saturday
(d) Sunday
Explanation: May has 31 days. The number of odd days in May is 31 mod 7 = 3. Moving from 1st May to 1st June adds these 3 odd days to the current day. Tuesday + 3 days = Friday.
#1727
How many days are there from 26th January 2008 to 15th May 2008 (both days included)?
(a) 110
(b) 111
(c) 112
(d) 113
Explanation: 2008 is a leap year, so February has 29 days. Days = Jan (31 - 26 + 1 = 6) + Feb (29) + Mar (31) + Apr (30) + May (15) = 6 + 29 + 31 + 30 + 15 = 111 days.
#1728
What is the day on 10th May 1857?
(a) Sunday
(b) Monday
(c) Tuesday
(d) Saturday
Explanation: 1856 years = 1600(0) + 200(3) + 56(14 LY + 42 NY = 28+42=70 = 0 odd). Total up to 1856 = 3 odd days. 1857 is NY. Jan to May 10 = 3+0+3+2+10 = 18 = 4 odd days. Total = 3+4 = 7 = 0 odd days. Day 0 is Sunday.
#1729
If 4th November 2024 is a Saturday, what will be the day on 4th November 2025?
(a) Sunday
(b) Monday
(c) Tuesday
(d) Wednesday
Explanation: Wait, 2024 is a leap year, but February 29th has already passed by November. Moving from Nov 2024 to Nov 2025 crosses February 2025, which has 28 days (ordinary year). This is 365 days, yielding 1 odd day. Wait, my option logic was Monday? Saturday + 1 = Sunday. Let me correct the options to have Sunday as correct.
#1730
What day of the week was 28th May 2006?
(a) Sunday
(b) Monday
(c) Tuesday
(d) Wednesday
Explanation: 2005 years = 2000(0) + 5(1 LY + 4 NY = 2+4=6 odd days). 2006 is NY. Jan to May 28 = 3+0+3+2+28 = 36 = 1 odd day. Total = 6+1 = 7 = 0 odd days. Day 0 is Sunday.
#1731
Which day of the week was 5/5/2024?
(a) Tuesday
(b) Monday
(c) Sunday
(d) Wednesday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Sunday. 3. Therefore, 5/5/2024 fell on a Sunday.
#1732
Which day of the week was 19/11/2024?
(a) Wednesday
(b) Thursday
(c) Monday
(d) Tuesday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Tuesday. 3. Therefore, 19/11/2024 fell on a Tuesday.
#1733
Which day of the week was 5/1/2024?
(a) Wednesday
(b) Friday
(c) Monday
(d) Tuesday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Friday. 3. Therefore, 5/1/2024 fell on a Friday.
#1734
Which day of the week was 5/9/2024?
(a) Wednesday
(b) Thursday
(c) Tuesday
(d) Monday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Thursday. 3. Therefore, 5/9/2024 fell on a Thursday.
#1735
Which day of the week was 26/8/2024?
(a) Wednesday
(b) Monday
(c) Thursday
(d) Tuesday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Monday. 3. Therefore, 26/8/2024 fell on a Monday.
#1736
Which day of the week was 12/6/2024?
(a) Thursday
(b) Wednesday
(c) Tuesday
(d) Monday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Wednesday. 3. Therefore, 12/6/2024 fell on a Wednesday.
#1737
Which day of the week was 12/10/2024?
(a) Tuesday
(b) Wednesday
(c) Saturday
(d) Monday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Saturday. 3. Therefore, 12/10/2024 fell on a Saturday.
#1738
Which day of the week was 26/12/2024?
(a) Wednesday
(b) Monday
(c) Thursday
(d) Tuesday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Thursday. 3. Therefore, 26/12/2024 fell on a Thursday.
#1739
Which day of the week was 19/3/2024?
(a) Tuesday
(b) Wednesday
(c) Monday
(d) Thursday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Tuesday. 3. Therefore, 19/3/2024 fell on a Tuesday.
#1740
Which day of the week was 26/4/2024?
(a) Wednesday
(b) Tuesday
(c) Friday
(d) Monday
Explanation: Step-by-step solution: 1. Use Zeller's congruence to compute the day of the week. 2. After substituting the values, remainder corresponds to Friday. 3. Therefore, 26/4/2024 fell on a Friday.