Question

 If the 15th July 1999 is Thursday, then what was the day on 31st August of that year?​

Answer 1

Answer:

1600. 0 odd day

300y. 5*3 odd day

15 odd day

99 y. has

since 75 years has 18 leap and 57 ordinary year

2 odd day. 1 odd day

total odd day 36+57+15

108

so. 3 odd day

now 23years 5leaf year and 18 ordinary year

so. 2odd day. 1 odd day

so total odd day

5*2+18*1

=10+18=28

so now

= 0 odd day

now so we have only 3 odd day

jan +feb+mar+apr+May+jun+July+aug

31+28+31+30+31+30+31+31

=243

so /7=5 odd day

so we have 3 odd day

5+3=8odd day

so 1 odd day

therefore it is tuesday.

now 31 August

Explanation:

therefore answwrt is Tuesday

alternate method

since 15th July is thrusday

so 31 th August

July 16 day and aug 31 day

so total 47 =5 odd day

therefore

fri then sat then Sunday then mon then Tuesday.

therefore it is tuesday.

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Answer 2

Answer:

There is your answer

Explanation:

Please