Explanation

2 is an even number.

As it is divisible by 2 without leaving a remainder.

Unlike 9, 7, and 3, which are odd numbers.

Explanation

Only February has 29 days, and that too in a leap year.

Months with 30 days are:

April, June, September, and November.

Months with 31 days are:

January, March, May, July, August, October, and December.

Explanation

The meaningful sentence is "The thief is stealing.

Police arrest the thief and put him in lockup."

Explanation

"Orange" is a fruit.

While "Rose," "Jasmine," and "Tulip" are types of flowers.

Explanation

The meaningful sentence is "Key, Lock, Door, Room, Switch on".

It means you use a key to lock the door of a room, then switch on the light.

Explanation

900 ÷ 3 = 300

Explanation

The word "girl" refers to a female child or young woman.

This making it a feminine gender noun.

It specifically denotes female identity.

Explanation

"Postman" traditionally refers to a male postal worker, thus it is considered a masculine gender noun. 

For gender neutrality, the term "postal worker" or "mail carrier" is also used.

Explanation

The plural of "chili" is "chilies."

This form is commonly used to denote multiple units of the spice or pepper.

Explanation

The series follows a reverse alphabetical pattern, moving backwards in blocks of three letters.

After RST, the next block is OPQ.