Solution:

Whenever you come across such a question, keep in mind that you have to always start from the last. Otherwise you will always find yourself jumbled up with the things. We have to find the letter between the letter two to the left of C and letter to the immediate of F. Thus we have to find the letter between A and G. Now the letter that lies in the exact middle will be D. Next, we have to go three times right which will lead us to G. One left is next and we will reach F. At last we have to go right twice. Doing that, we will be standing on H.

Thus H is the required letter.

Solution:

What must be kept in mind before you start calculating through any method is that the weights can be put on both the pans.

So the weights - 1, 3, 7, 12, 43, 76, 102

The oldest man that can be weighed using these weights is a man aged 122 years

Solution:

There are 3 fruits (1 grapes, 1 apples, and 1 oranges).

Solution:

Hhe hung herself using big Ice slabs , which are now now melted and hence puddle of water.

Solution:

192

Explanation:
I started with the number 192.
Adding the reversed 291 to 192 gave me 483.
Similarly,
483 + 384 = 867
867 + 768 = 1635
1635 + 5361 = 6996

Solution:

Bond was suspicious of the women as one never knocks its own door at the hotel.

Solution:

If the man killed himself, he would not have been able to rewind the cassette. Thus it is clear someone else killed him.

Solution:

Yes, you should switch the envelope. In the beginning when you picked up the envelope, you had a 1/3 probability of finding an offer letter in the envelope. There was 2/3 chance that the letter was there in the two envelopes on the table.

If you keep your selected envelope, you still have a 1/3 chance of finding an offer letter in that. However, since the interviewer has removed one empty envelope from the table, if you switch, you have a probability of 2/3 that the offer letter is inside that.

Solution:

TIF56

Explanation:
The password is formed as:
T (5th letter of Shruti)
I (5th letter of Arshika)
F(1st letter of Friday)
5(5th day of week)
6(Length of Friday)

Similarly, we will pick the 1st letter for Monday and 3rd letter for Wednesday.

Solution:

To do this, he must be pushing the cork inside the bottle and then taking out the coin.

Solution:

Selfie
Explanation:
: Selfie = is six letter word
: Self = The first four letter is me.
: e = The second and last letter are the same.
: fee = The fourth second and last letter are payment.