Questions

Varanasi and Patna are located on the river Ganga. Lucknow is on the river Gomati. Kanpur and Hardwar too are on the river Ganga. Delhi is another city located on the bank of Yamuna.

The rule followed here is

7 + 3 - 4 = 6

Similarly,

4 + 2 - 2 = 4

9 + 5 - 4 = 10

Hence, the missing numbers are 4 & 10.

Tropical cockroach

Except pineapple remaining all three are types of apples.

Pineapple is what kind of apple isn't an apple.

Mango Cup is associated with Cricket game. The MANGO CUP is a Triangular Cricket limited overs tournament between the Manglorean CatholicAssociation of Sydney (MCAS), Australian Residents Anglo Indian Association (ARAIA) and GoanOverseas Association-NSW (GOA).

Hence, the tournament is named from both (Man) from Manglorean CatholicAssociation of Sydney and (go) from GoanOverseas Association-NSW.

Channel of communication : It is a floe of communication within a department.

Skipper : This term is used for the status of a room, which indicates that a guest has left the hotel room without arranging to settle his or her account. 

Sundry Services :These are the extra services, which are provided to the guests. For e.g. message, handling of guests.