The question says something like this:
After this error was corrected, A's sale was still more than C's

only one choice is possible

hope that clears the doubt of two choices!

I have attached the word document

though the solution is slightly long, i am looking forward to see the smart solution from others.

my first method took me less 60 sec.

though typing it was long.

The second method took more time and also there are more chances of error!!

IMO: 63492 I dont know the shorter method: but I took less than a min. wrote down table of 7, 14, 21, 28, 35, 42, 49, 56, 63, 70 need all fours for units to be 4, the number x unit didigit must be 2 (as 2 x 7 = 14) we carry forward 1, now the tens digit when multiplied by 7 should give 3, that is do...

Thanks Stuart.
I made the same assumption which you pointed out as false
and then went into thinking why anymore info is required.
The question itself says 24th tile is Red!!!
Both statements are irrelevant

And then : why the choices then
couldnt get Head or tail of choices, opted E (LUCKY)

that was great Brent.
It shaved off half the steps.

A request: Try to post one question per post. That makes it easy to follow. Ques 1: 4+7n is divided by 3 we can write it as, (3+1)+(6n+n) = 3 + 6n + n + 1 3 and 6n will be divisible by 3, remainder will be zero we have to concentrate on (n+1) st1: n+1 is divisible by 3, what we are looking for: Suff...