Toughest Aptitude Questions With Answers Quiz
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If the radius of a circle is diminished by 10%, by what percentage is its area diminished?
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10%
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19%
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20%
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36%
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Take on the ultimate challenge with our Toughest Aptitude Questions With Answers Quiz! This quiz is designed to push the limits of your analytical thinking, logical reasoning, and mathematical abilities. Each question is meticulously crafted to challenge your intellect and expand your cognitive capabilities. From complex mathematical equations to intricate logical puzzles, this quiz covers a wide range of aptitude See moretopics to provide you with a comprehensive mental workout.
Whether you're a student preparing for competitive exams or a professional looking to enhance your problem-solving skills, this quiz offers a stimulating and engaging experience. With detailed explanations for each answer, you'll not only test your knowledge but also learn new concepts and strategies along the way. So, if you're ready to take on the toughest aptitude questions, dive into our quiz and see how you stack up against the most challenging problems. Get ready to unleash your inner problem-solver and tackle each question with confidence and precision!
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- 2.
At what time after 4.00 p.m. is the minute's hand clock exactly aligned with the hour hand?
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4:21:49.5
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4:27:49.5
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3:21:49.5
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4:21:44.5
Correct Answer
A. 4:21:49.5 -
- 3.
A shopkeeper sold a T.V set for Rs. 17,940 with a discount of 8% and earned a profit of 19.6%. What would have been the percentage of profit earned if no discount was offered?
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24%
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25%
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30%
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None of these
Correct Answer
A. 30% -
- 4.
If (2x-y)=4 then (6x-3y) =?
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15
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12
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18
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10
Correct Answer
A. 12Explanation
The given equation (2x-y)=4 can be rewritten as 2x-y=4. We need to find the value of (6x-3y). By multiplying both sides of the equation 2x-y=4 by 3, we get 6x-3y=12. Therefore, the value of (6x-3y) is 12.Rate this question:
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- 5.
In a race of 200 meters, A can beat B by 20 meters, and B can beat C by 10 meters. By how many meters can A beat C in the same race?
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28 meters
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29 meters
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32 meters
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36 meters
Correct Answer
A. 29 meters -
- 6.
A person has 4 coins each of different denominations. What is the number of different sums of money the person can form(using one or more coins at a time)?
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15
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16
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12
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11
Correct Answer
A. 15Explanation
The number of different sums of money the person can form using one or more coins at a time can be found using the concept of combinations. Since there are 4 coins of different denominations, the total number of different sums can be calculated by finding all possible combinations of choosing 1, 2, 3, or 4 coins.The formula to calculate the total number of combinations is:Total combinations = 2^N - 1Where N is the number of coins.For N = 4,Total combinations = 2^4 - 1= 16 - 1 = 15Therefore, the number of different sums of money the person can form is 15.So, the correct answer is 15.Rate this question:
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- 7.
A cow is tethered in the middle of the field with a 14-foot-long rope. If the cow grazes 100 sq. ft. per day, then approximately what time will be taken by the cow to graze the whole field? (Approx)
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2 days
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6.15 days
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18.5 days
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24 days
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None of these
Correct Answer
A. 6.15 daysExplanation
To determine approximately how much time it will take for the cow to graze the whole field, you need to calculate the total area of the field and then divide it by the rate at which the cow grazes.
The cow is tethered with a 14-foot rope. Since the rope is attached to the cow at the center of the field, it can move in a circular area with a radius of 14 feet. The area of a circle is given by the formula A = πr^2, where A is the area and r is the radius.
Area of the circular grazing area = π * (14 feet)^2 ≈ 615.75 square feet (rounded to two decimal places)
The cow grazes 100 square feet per day. To calculate the time it takes to graze the whole circular area, divide the total area of the field by the grazing rate:
Time (in days) = Total Area / Grazing Rate Time = 615.75 square feet / 100 square feet per day ≈ 6.16 days
So, it will take approximately 6 days for the cow to graze the whole field if it grazes 100 square feet per day.Rate this question:
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- 8.
The two colors seen at the extreme ends of the pH chart are:
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Red and blue
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Red and green
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Green and blue
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Orange and green
Correct Answer
A. Red and blueExplanation
The correct answer is red and blue because the pH chart is a visual representation of the acidity or alkalinity of a substance. The colors on the chart range from red (indicating acidity) to blue (indicating alkalinity), with green being neutral. Therefore, the extreme ends of the pH chart would be represented by red and blue.Rate this question:
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- 9.
If the value of x lies between 0 and 1, which of the following is the largest?
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X
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X2
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-x
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1/x
Correct Answer
A. 1/xExplanation
The given question asks for the largest value among x, x^2, -x, and 1/x when x lies between 0 and 1. When x is between 0 and 1, the value of 1/x will be the largest because as x approaches 0, 1/x approaches infinity. On the other hand, x and x^2 will be smaller values, and -x will be negative but smaller than 1/x. Therefore, 1/x is the largest value among the given options.Rate this question:
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- 10.
Thirty men take 20 days to complete a job working 9 hours a day. How many hours a day should 40 men work to complete the job?
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8 hrs
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6 hours, 45 minutes
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7 hrs
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9 hrs
Correct Answer
A. 6 hours, 45 minutes -
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Current Version
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Jan 31, 2025Quiz Edited by
ProProfs Editorial Team -
Jan 06, 2008Quiz Created by
Suryakamal
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