Solution:

Tisha

Explanation:
The first two letters of each name form the musical notes
1. Dorry
2. Rebeka
3. Michael
4. Faniya
5. Sophia
6. Lavanya

The musical notes are
Do Re Mi Fa So La

Next sequence of musical notes is "Ti" and only name started with Ti is "Tisha"

Solution:

step 3 is wrong

Solution:

It can be done as shown in the picture below.

Solution:

Sam : 2
Dean : 5
Castiel : 7

Age diff
7 - 2 = '5' is prime
7 - 5 = '2' is prime
5 - 2 = '3' is prime

Solution:

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

Solution:

The last marble will be yellow.

Since marbles can only be taken out in pairs and you started off with an odd number of yellows there is always going to be one yellow left over that you'll keep putting back in the box until it's left on it's own.

Solution:

Costa

Explanation:
c + 1 characters-> d
o + 2 characters-> q
s + 3 characters-> v
t + 4 characters-> x
a + 5 characters-> f

=> dqvxf = costa

Solution:

NONE, holes are empty.

Solution:

There is a simple logic to solve this question.
The size of the chocolate is 2 x 8. Thus, you need to have 2 x 8 = 16 pieces.
Every time you break the chocolate, you will get one extra piece.
Thus, to get 16 pieces, you must break it (16 - 1) = 15 times.

Solution:

If we have to measure precisely, it is impossible. Because we are asked to measure odd number of liters whereas all the jars we have can contain only even liters of water.

* Tricky question asked in ias/infosys/infoedge/ibibo interview

Solution:

Pages 19, 20, 23, 37, 38, & 42 will also be missing