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- Question
Two old friends, Jack and Bill, meet after a long time. Jack: Hey, how are you man? Bill: Not bad, got married and I have three kids now Jack: That?s awesome. How old are they? Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date. Jack: Cool ? But I still don?t know. Bill : My eldest kid just started taking piano lessons. Jack: Oh now I get it. How old are Bill?s kids ?
Options- A. 3, 3, 8
- B. 2, 6, 6
- C. 1, 6, 12
- D. 1, 8, 9
- Correct Answer
- 3, 3, 8
ExplanationLet?s break it down. The product of their ages is 72. So what are the possible choices?
2, 2, 18 ? sum(2, 2, 18) = 22
2, 4, 9 ? sum(2, 4, 9) = 15
2, 6, 6 ? sum(2, 6, 6) = 14
2, 3, 12 ? sum(2, 3, 12) = 17
3, 4, 6 ? sum(3, 4, 6) = 13
3, 3, 8 ? sum(3, 3, 8 ) = 14
1, 8, 9 ? sum(1,8,9) = 18
1, 3, 24 ? sum(1, 3, 24) = 28
1, 4, 18 ? sum(1, 4, 18) = 23
1, 2, 36 ? sum(1, 2, 36) = 39
1, 6, 12 ? sum(1, 6, 12) = 19The sum of their ages is the same as your birth date. That could be anything from 1 to 31 but the fact that Jack was unable to find out the ages, it means there are two or more combinations with the same sum. From the choices above, only two of them are possible now.
2, 6, 6 ? sum(2, 6, 6) = 14
3, 3, 8 ? sum(3, 3, 8 ) = 14Since the eldest kid is taking piano lessons, we can eliminate combination 1 since there are two eldest ones. The answer is 3, 3 and 8.
- 1. What is the smallest number of ducks that could swim in this formation - two ducks in front of a duck, two ducks behind a duck and a duck between two ducks ?
Options- A. 3
- B. 5
- C. 7
- D. 9 Discuss
- 2. How much does a gallon of water weigh?
Options- A. 2.741 kgs
- B. 2.956 kgs
- C. 3.418 kgs
- D. 3.785 kgs Discuss
- 3. Which is called 'OFF State' in binary?
Options- A. 4
- B. 3
- C. 2
- D. 1 Discuss
- 4. If 9 * 2 * 5 = 23 and 1 * 4 * 8 = 29, then 1 * 6 * 3 = ?
Options- A. 19
- B. 21
- C. 31
- D. 39 Discuss
- 5. Aptitude tests are designed to measure
Options- A. General reasoning
- B. Perceptual speed
- C. Verbal comprehension
- D. All of the above Discuss
- 6. Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers ?
Options- A. 12 & 7
- B. 13 & 8
- C. 15 & 10
- D. 14 & 9 Discuss
- 7. 17 tens in unit form?
Options- A. One 1 Seven 7 Ten 10
- B. One 1 Seven 10 0 ones
- C. 1 hundred, 7 tens, 0 ones
- D. 1 ten and 7 ones Discuss
- 8. A chord that passes through the center of a circle is
Options- A. secant
- B. tangent
- C. diameter
- D. perigram Discuss
- 9. Which of the following is a Composite number?
Options- A. 0
- B. 19
- C. 29
- D. 91 Discuss
- 10. What are the Multiples of 18?
Options- A. 144
- B. 72
- C. 306
- D. All the above Discuss
- Multiples of 18 are nothing but numbers which are divisible by 18 leaving remainder 0.
- An infinite number of multiples of 18 can be achieved by adding 18 to each subsequent multiple.
Arithmetic Reasoning problems
Search Results
Correct Answer: 3
Correct Answer: 3.785 kgs
Explanation:
1 Gallon = 3.785 kgs
Gallon is a unit of measurement of liquid.
We know that 1 gallon = 3.785 liters
But we know that,
1 cubic meter = 1000 lit or 1000 kgs
=> 1 lit = 1 kg
Hence, 1 gallon = 3.785 lit = 3.785 kgs.
Correct Answer: 1
Explanation:
'0' is called OFF State in Binary...
Correct Answer: 19
Correct Answer: All of the above
Explanation:
Aptitude tests measures an individual's level of competency to perform a certain type of task and their mental and physical potentials in dealing different situations. These tests include General reasoning, Verbal comprehension, Perceptual speed and numerical operations.
Correct Answer: 12 & 7
Explanation:
x ? y = 5
4x ? 6y = 6
x = 12 y = 7
Correct Answer: 1 hundred, 7 tens, 0 ones
Explanation:
Firstly 17 tens = 17 x 10 = 170
17 tens = 170 in unit form can be written as 1 hundred, 7 tens, 0 ones.
Correct Answer: diameter
Correct Answer: 91
Explanation:
Here in the given numbers 91 is a Composite number. Since it has factors of 7 and 13 other than 1 and itself.
Composite Numbers :
A composite number is a positive integer which is not prime (i.e., which has factors other than 1 and itself).
Examples :: 4, 6, 8, 12, 14, 15, 18, 20, ...
Correct Answer: All the above
Explanation:
The Multiples of 18 are 18, 36, 54, 72, 90, 108, 126, ....
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