If 1 Jan 2015 is Thursday then probability of 22nd October to be Wednesday will be

M4maths Previous Puzzles

20 May 2015 Probability

If 1 Jan 2015 is Thursday then probability of 22nd October to be Wednesday will be

OPtion

1) 1/7
2) 1/365
3) 1/31
4) 1/30
5) 1/28
6) 1/29
7) 1
8) 1/2
9) 0
10)1/3

Solution

Since 1 Jan 2015 is Thursday, so definitely 22nd October will be Thursday, so probability will be zero

Option 9)

Correct Option: 9 Best Solution (9)

siddharth prakash singh   9 years AGO

no of days from 1 Jan 2015 to 22nd October =30+28+31+30+31+30+31+31+30+22=294
so no of odd day=294%7=0
so the day on 22nd October will also be Thrusday.
so req prob= 0

Like? Yes (7) | No   

Sushil Singh   9 years AGO

probabilty will be 0, because there is no possibility of 22 October 2015 will be Wednesday

Like? Yes (4) | No   

SAGNIK DATTA   9 years AGO

if january 1 2015 is thursday then definitely october 22 is thursday so probability of it being wednesday is 0

Like? Yes (2) | No   

ravi singh   9 years AGO

answer is 0
total days 294
hence, 294/7=42 means 22 oct is Thursday

Like? Yes (2) | No   

Ashwin Dinesh   9 years AGO

(295-1)%7 = 0 so it will be a Thursday.

Like? Yes (2) | No   

lokesh   9 years AGO

Answer is 0 because 22nd Oct 2015 is not a Wednesday. This not a situation to find probability.

Like? Yes (2) | No   

PAWAN KUMAR   9 years AGO

Just see the calender.
Also, there's no leap year,so, probability becomes zero.

Like? Yes (2) | No   

Priyadarshani Kate   9 years AGO

22nd october 2015 is thursday hence probability is zero

Like? Yes (2) | No   

Surit Datta   9 years AGO

the probability will be zero
so option 9
that's it.

Like? Yes (3) | No (2)