Robocon 2017 - Aptitude Test
31 Questions
| Attempts: 67
Aptitude Test
Questions and Answers
- 1.
The sum of age of 5 children born at interval of 3 years each is 50 years. What is the age of the youngest child?
- A.
4 years
- B.
8 years
- C.
10 years
- D.
None of these
Correct Answer
A. 4 years -
- 2.
The difference between the length and breadth of a rectangle is 23m. If its perimeter is 206m, then its area is:
- A.
1520 m^2
- B.
2420m^2
- C.
2480 m^2
- D.
2520 m^2
Correct Answer
D. 2520 m^2 -
- 3.
The average weight of A,B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is :
- A.
17 kg
- B.
20kg
- C.
26kg
- D.
31kg
Correct Answer
D. 31kg -
- 4.
A man's speed with the current is 15 km/hr and the speed of the current is 2.5km/hr. The man's speed against the current is :
- A.
8.5 km/hr
- B.
9 km/hr
- C.
10 km/hr
- D.
12.5 km/hr
Correct Answer
C. 10 km/hr -
- 5.
If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?
- A.
48 paise
- B.
54 paise
- C.
56 paise
- D.
72 paise
Correct Answer
A. 48 paise -
- 6.
What decimal of an hour is a second ?
- A.
0.0025
- B.
0.0256
- C.
0.00027
- D.
0.000126
Correct Answer
C. 0.00027 -
- 7.
0.024*0.0162 is equal to :
- A.
6.48*10^(-3)
- B.
6.48*10^(-4)
- C.
6.48*10^(-5)
- D.
6.48*10^(-6)
Correct Answer
B. 6.48*10^(-4) -
- 8.
The angle of elevation of ladder leaning against a wall is 60 deg and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:
- A.
2.3 m
- B.
4.6 m
- C.
7.8 m
- D.
9.2 m
Correct Answer
D. 9.2 m -
- 9.
If 20% of a = b, then b% of 20 is the same as:
- A.
10% of a
- B.
4% of a
- C.
20% of a
- D.
25% of a
Correct Answer
B. 4% of a -
- 10.
(132)7 × (132)? = (132)11.5.
- A.
3
- B.
3.5
- C.
4
- D.
4.5
Correct Answer
D. 4.5 -
- 11.
Find the odd man out. 1, 3, 9, 12, 19, 29
- A.
12
- B.
3
- C.
29
- D.
19
Correct Answer
A. 12 -
- 12.
If log105 + log10(5x+1) = log10(x+5) + 1, then x is equal to:
- A.
4
- B.
3
- C.
2
- D.
1
Correct Answer
B. 3Explanation
b% of 20=20×b100Rate this question:
-
- 13.
A train has a length of 150 meters . it is passing a man who is moving at 2 km/hr in the same direction of the train, in 3 seconds. Find out the speed of the train.
- A.
182 km/hr
- B.
180 km/hr
- C.
185km/hr
- D.
172 km/hr
Correct Answer
A. 182 km/hrExplanation
1Rate this question:
-
- 14.
Find the odd man out. 2, 5, 10, 17, 26, 38, 50, 65
- A.
50
- B.
38
- C.
26
- D.
65
Correct Answer
B. 38 -
- 15.
2, 6, 12, 20, 30, 42, 56, (...)
- A.
61
- B.
72
- C.
64
- D.
70
Correct Answer
B. 72 -
- 16.
The angle of elevation of the sun, when the length of the shadow of a tree is equal to the height of the tree, is:
- A.
30°
- B.
60°
- C.
45°
- D.
54°
Correct Answer
C. 45° -
- 17.
(0.04)-2.5 = ?
- A.
125
- B.
25
- C.
625
- D.
3125
Correct Answer
D. 3125 -
- 18.
The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of Rs.800 per sq. metre.
- A.
16500
- B.
18000
- C.
12000
- D.
19500
Correct Answer
A. 16500 -
- 19.
A die is rolled twice. What is the probability of getting a sum equal to 9?
- A.
2 / 3
- B.
2 / 9
- C.
1 / 3
- D.
1 / 9
Correct Answer
D. 1 / 9 -
- 20.
A student needed to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What is the value of x?
- A.
12
- B.
5
- C.
7
- D.
9
Correct Answer
C. 7 -
- 21.
How many terms are there in the G.P. 4, 8, 16, 32, ... , 1024?
- A.
9
- B.
8
- C.
7
- D.
6
Correct Answer
A. 9 -
- 22.
(log34) (log45) (log56) (log67) (log78) (log89) (log99) = ?
- A.
4
- B.
2
- C.
1
Correct Answer
B. 2 -
- 23.
A ladder 10 m long just reaches the top of a wall and makes an angle of 60° with the wall.Find the distance of the foot of the ladder from the wall (√3=1.73)
- A.
4.32 m
- B.
17.3 m
- C.
5 m
- D.
8.65 m
Correct Answer
D. 8.65 m -
- 24.
Two numbers are in the ratio 2 : 3. If their L.C.M. is 48. what is sum of the numbers?
- A.
28
- B.
40
- C.
64
- D.
42
Correct Answer
B. 40 -
- 25.
A can run 224 metre in 28 seconds and B in 32 seconds. By what distance A beat B?
- A.
36 metre
- B.
24 metre
- C.
32 metre
- D.
28 metre
Correct Answer
D. 28 metre -
- 26.
The price of commodity P increases by 40 paise every year, while the price of commodity Q increases by 15 paise every year. If in 2001, the price of commodity P was Rs. 4.20 and that of Q was Rs. 6.30, in which year commodity P will cost 40 paise more than the commodity Q ?
- A.
2008
- B.
2009
- C.
2010
- D.
2011
Correct Answer
D. 2011 -
- 27.
What is the greatest number of four digits which is divisible by 15, 25, 40 and 75 ?
- A.
9800
- B.
9600
- C.
9400
- D.
9200
Correct Answer
B. 9600 -
- 28.
Two pipes A and B can fill a tank in 15 minutes and 40 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?
- A.
10 min 10 sec
- B.
25 min 20 sec
- C.
29 min 20 sec
- D.
20 min 10 sec
Correct Answer
C. 29 min 20 sec -
- 29.
. Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. If the faster train passes the slower train in 36 seconds,what is the length of each train?
- A.
88
- B.
70
- C.
62
- D.
50
Correct Answer
D. 50 -
- 30.
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. Find out the age of the youngest child?
- A.
6 years
- B.
5 years
- C.
4 years
- D.
3 years
Correct Answer
C. 4 years -
- 31.
Which one do you like?
- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Option 1 -
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Mar 21, 2022Quiz Edited by
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Sep 09, 2016Quiz Created by
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