Aptitude - Start Up Level
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Questions and Answers
- 1.
If 10 men can finish a work in 10 days, 1 woman can finish the same work in how many days? The efficiency of man is twice that of the woman.
- A.
200
- B.
100
- C.
1
- D.
2
Correct Answer
A. 200Explanation
If 10 men takes 10 days, 1 men alone take a longer time and hence he takes 100 days. Also 1 woman takes 200 days as 1 M= 2 W in the question.Rate this question:
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- 2.
A train crosses an electric pole in 9 seconds. Find the speed of train if the length of train is 150 metres.
- A.
60 km/hr
- B.
50 km/hr
- C.
50/3 km/hr
- D.
90 km/hr
Correct Answer
A. 60 km/hrExplanation
Speed = length of train/ time taken to cross the pole. Hence s=150/9. Converting into km/hr, we get 60.Rate this question:
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- 3.
The average of 7 numbers is 21. If a number was wrongly noted as 7 instead of 14, find the new average.
- A.
22
- B.
20
- C.
22.5
- D.
20.5
Correct Answer
A. 22Explanation
Initial average = 21. Correct value = 14 and wrong value = 7. so increased value of average = (14 - 7) / 7 = 1. Hence 21 +1 =22.
OR
Initial average = 21. Hence total = 21*7 = 147. New average = (147+14-7) / 7 = 22Rate this question:
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- 4.
The day of the date 25th july 2002 is __?
- A.
Thursday
- B.
Wednesday
- C.
Friday
- D.
Monday
Correct Answer
A. ThursdayExplanation
Code for date = 25, code for month = 5, code for year = 2. Hence adding all gives 32. 32/7 gives remainder of 4 which corresponds to thursday.Rate this question:
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- 5.
Your father's brother's sister's son's name is Ravi. Ravi is your ___?
- A.
Cousin
- B.
Brother
- C.
Sister
- D.
Niece
Correct Answer
A. CousinExplanation
Your parents sibbling's children are always cousins. Self explanatory.Rate this question:
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- 6.
You walk towards north before taking a right turn. Then you walk 10 km before taking a left turn. Now in which direction you are facing?
- A.
North
- B.
South
- C.
East
- D.
West
Correct Answer
A. NorthExplanation
Start towards north, then take a right, now you face east. Then you take left, again you face north.
Tip : ignore the distance as option contains only directions.Rate this question:
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- 7.
The next number in the series 1, 3, 6, 11, __?
- A.
18
- B.
19
- C.
17
- D.
15
Correct Answer
A. 18Explanation
The gap between each number is of prime numbers namely 2, 3, 5, 7. Hence 7 + 11 = 18Rate this question:
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- 8.
If ASHWIN is coded as NIWHSA, then AZBYCX is coded as___?
- A.
XCYBZA
- B.
XCBYZA
- C.
XCBZYA
- D.
AZBYXC
Correct Answer
A. XCYBZAExplanation
Just reverse the letters in the word.Rate this question:
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- 9.
If length increases by 25 %, then find the percentage decrease of breadth so that the area remains constant?
- A.
20 %
- B.
25 %
- C.
30 %
- D.
12.5 %
Correct Answer
A. 20 %Explanation
If increase of % = 1/ x, then decrease in percentage to get back same value is 1/ (x+1), so increase % = 25 % =25/100 = 1/4. thus decrease of percentage = 1/(4+1)= 1/5 *100 = 20 %Rate this question:
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- 10.
If A and B can finish a piece of work in 3, 6 days individually, then find the number of days required to finish the work together?
- A.
2 days
- B.
3 days
- C.
9 days
- D.
3.5 days
Correct Answer
A. 2 daysExplanation
lcm = work = 6. So efficiency of A and B are 2 w/d and 1 w/d respectively. So combined efficiency is 3 w/d. Hence no of days = 6/3 = 2 days.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Apr 16, 2015Quiz Created by
Ashwinmurali25
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