Brain Test Quiz Questions With Answers

The correct answer is 4 because when you add 2 and 2 together, the sum is 4.

The odd one out is "Brain." While a smartphone, computer, and calculator are all technological devices, the brain is a biological organ responsible for cognitive functions such as thinking, memory, and decision-making. Unlike the other items, the brain is a natural component of living organisms rather than a man-made invention. Therefore, the brain stands out as the odd one in this group due to its biological nature compared to the technological devices.

The question asks for something that is not a color. Red, golden, and purple are all colors, but rainbow is not a color. A rainbow is a meteorological phenomenon that appears as a multicolored arc in the sky, caused by the reflection, refraction, and dispersion of light in water droplets. Therefore, rainbow is the correct answer as it is not a color.

Chocolates stand out as the odd one among the options provided because it is the only item that is not a fruit. While apples, oranges, and bananas are all types of fruits, chocolates are a processed food product typically made from cocoa beans, sugar, and milk. This distinction sets chocolates apart from the others in terms of their nature and origin, making them the odd one out in the group.

The odd one out in this list is "Student" because it is the only profession that is not typically associated with a specific occupation or job title. While lawyers, doctors, and cops are all specific roles within their respective fields, "student" is a more general term that can apply to individuals in various educational settings and pursuing different areas of study.

Roasters are male chickens and therefore do not have the ability to lay eggs. Only female chickens, known as hens, are capable of laying eggs.

The odd one out is "Book." Unlike the living organisms—ant, cow, and dog—a book is an inanimate object. This distinction places it apart from the others, making it the odd one in the group. While ants, cows, and dogs are all living beings with biological functions, a book serves a different purpose as a non-living entity, thus setting it apart from the rest of the options provided.

The question states that Paul's mother has three sons, Stephen, Charlie, and ______. The missing name is not mentioned in the options provided, but it is stated in the question itself that Paul is one of the sons. Therefore, the missing name must be Paul.

Doing calculations in mind does not require any object because it is a mental activity that can be performed without the need for any external tools or materials. Reading books, eating, and playing games all involve the use of objects or external stimuli in some way. However, doing calculations in mind solely relies on the individual's mental abilities and does not require any physical objects.

The missing numbers in the arithmetic progression (A.P.) are 25 and 64.

Explanation: The given sequence follows the pattern of square numbers. Each number in the sequence is the square of its position in the sequence.

1 = 1^2
4 = 2^2
9 = 3^2
16 = 4^2
25 = 5^2 (missing)
36 = 6^2
49 = 7^2
64 = 8^2 (missing)
81 = 9^2