Test Your Brain Power

The answer is 343.

The sequence was a series of cubed numbers.

The answer is Sister.

Mother, Father, Uncle, and Aunt all belong to one generation of a family.  Sister can belong to any generation.

The answer is 40.

Vowels were assigned a value of 4 and consonants a value of 6.

The answer is 4.  Double of 4 is 8.  Quarter of 4 is 1.  8 - 1 = 7.

The answer is W.

The letters are the first letter of each day of the week in alphabetical order: Friday, Monday, Saturday, Sunday, Thursday, Tuesday, Wednesday.

The answer is 7.

The pattern was the number of letters in the spelling of the number.

9 (nine) = 4, 21 (twenty-one) = 9, 22 (twenty-two) = 9, 24 (twenty-four) = 10, 8 (eight) = 5, 7 (seven) = 5, 99 (ninety-nine) = 10,  16 (sixteen) = 7

The answer is 22.

The difference between each number increases by one each time. 1 + 1 = 2;  2 + 2 = 4;  4 + 3 = 7;  7 + 4 = 11;  11 + 5 = 16;  16 + 6 = 22.

The answer is 18 minutes.

The front of the train has to travel 10k to leave the tunnel, and then a another 0.5k until the rear of the train has left the tunnel - a total of 10.5k. Which takes 60 * (10.5 / 35) = 18 minutes.

The answer is J.

A S D F G H are the first 6 letters in the middle row of a QWERTY keyboard.  The next letter is J.

The answer is the room full of lions that haven’t eaten in three years.

If the lions have not eaten in 3 years, then they will have starved to death and therefor not pose a threat to anyone.