In the following question, by using which mathematical operator will the expression become correct?
18 ? 6 ? 9 ? 27

In a certain code language, "TIRED" is written as "56" and "BRAIN" is written as "44". How is "LAZY" written in that code language?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
UNIFORMITY

There are 45 trees in a row. The lemon tree is 20th from right end. What is the rank of lemon tree from left end?

Punit said to a lady, "The sister of your father's wife is my aunt". How is the lady related to Punit?

In the following question, select the missing number from the given series.
13, 16, 11, 18, 9, 20, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
AG, LR, WC, HN, ?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Ball
2. Balanced
3. Balls
4. Balance
5. Balancing