Question

What day of the week will be on 8th June 2215?

• A. Friday
• B. Thursday
• C. Monday
• D. Sunday

Answer 1

Answer:

B. Thursday

2215 => 400 x 5 + 200 + 15 => 400 years has zero' odd days. => 200 years has three odd days. => 15 years 3 leap and 12 ordinary years. No.of odd days=0+3+6+12 =21 On dividing 21 by 7 remainder zero Jan 1 2215 is Sunday January=>30, February=> 28, March =>31, April =>30, May =>31, June =>8 30+28+31+30+31+8 = 158 On dividing 158 by 7 remainder 4 Sunday+4 => Thursday