Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
10 : 45 :: 6 : 25 :: 9 : ?

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

Study the following figure and answer the following questions.

1. Here the big triangle shows the artists.

2.Short represents triangular scientists.

3. The square refers to dancers.

4.The Circle refers to the doctors.

Which characters represent artists who are also dancers and doctors?

Select the option that represents the letters that, when placed from left to right in the following blanks, will complete the letter-series.
 F I R _ D F _ _ E D F _ T _ D F I _ E _

A series is given with one term missing. Choose the correct option from the given alternatives and complete the series.
3, 2, 6, 8, 18, 40, 72, 240, ?

By interchanging which two signs the equation will be correct?
9 + 6 × 2 ÷ 4 – 6 = 15

One statement is given followed by two conclusions I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You are to decide which of the given conclusions, if any, follow from the given statement. Indicate your answer. 

Statement:  

No children are voters.  

Conclusions: 

I. All adults are voters.  

II. No voters are children.