Aptitude and Reasoning Questions

Q:

ΔPQR is right angled at Q. If m∠P = 45°, then find the value of (cosecR + 1/3).

A) (√3+2)/2√3 B) (√3+2)/2
C) (3√2+1)/3 D) (2+2√3)/√3
 
Answer & Explanation Answer: C) (3√2+1)/3

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Q:

The average of 10 numbers is 30. If at the time of calculation one number was wrongly taken as 36 instead of 69, then what will be the correct average?

A) 33 B) 33.3
C) 36 D) 39
 
Answer & Explanation Answer: B) 33.3

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Q:

What is the equation of the line if its slope is 1/4 and y-­intercept is ­-3?

A) x ­- 4y = 12 B) x + 4y = 12
C) x -­ 4y = ­-12 D) x + 4y = -­12
 
Answer & Explanation Answer: A) x ­- 4y = 12

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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Mesopotamian civilization, Egyptian civilization, ? , Chinese civilization

A) Greek civilization B) Roman civilization
C) Persian civilization D) Indus valley civilization
 
Answer & Explanation Answer: D) Indus valley civilization

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Q:

Find the missing number?

A) 216 B) 1024
C) 1296 D) 2024
 
Answer & Explanation Answer: C) 1296

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Q:

If X and Y are the two digits of the number 347XY such that the number is completely divisible by 80, then what is the value of X + Y?

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: B) 4

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Q:

A study published in PLOS Medicine found that obesity was the cause of 1 in 10 deaths in the United States. Also, obesity was the third-leading cause of death in men and women, after high blood pressure and smoking. Hence, many doctors believe that it’s high time obesity be placed in the category of serious diseases as it not only decreases life expectancy but also impairs the normal functioning of the body.
Which of the following statements, if true, undermines the given argument?

A) Extreme obesity can shorten a person's life span by 10 years. B) Obesity is the result of eating of too much and of a sedentary lifestyle and cannot be defined as a disease per se.
C) Obesity can be a genetic disorder such as sickle-cell anemia and Tay- Sachs, which are classified as diseases. D) The Food and Drug Administration, the American Heart Association, the American College of Cardiology, and the Obesity Society, the National Heart, Lung, and Blood Institute, and the American College of Gastroenterology have i
 
Answer & Explanation Answer: B) Obesity is the result of eating of too much and of a sedentary lifestyle and cannot be defined as a disease per se.

Explanation:

The given argument states that obesity should be categorized as a serious disease as it is known to decrease life expectancy and to harm the normal functioning of the body just like any other life-threatening disease. Option B undermines the argument by pointing out that obesity is mostly a lifestyle problem and not a disease. Compared to 40 years ago, people today spend more time commuting, sitting in front of a computer, watching television, playing video games, and generally exercising less, and end up burning fewer calories. Hence, option 2 is the correct answer.

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Q:

If the sum of three consecutive numbers is 15, what is the square of the middle number ?

A) 16 B) 25
C) 36 D) 9
 
Answer & Explanation Answer: B) 25

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