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Question 1 of 10
1. Question
1 pointsCategory: Quantitative Aptitude21, 35, 30, 44, 39, ?
Correct
Answer : 4.53
Explanation
21 + 14 = 35
35 â€“ 5 = 30
30 + 14 = 44
44 â€“ 5 = 39
39 + 14 = 53Incorrect
Answer : 4.53
Explanation
21 + 14 = 35
35 â€“ 5 = 30
30 + 14 = 44
44 â€“ 5 = 39
39 + 14 = 53 
Question 2 of 10
2. Question
1 pointsCategory: Quantitative Aptitude8 14 25 46 82 ?
Correct
Answer : 3.138
Incorrect
Answer : 3.138

Question 3 of 10
3. Question
1 pointsCategory: Quantitative AptitudeRahul had the income in the year 2017, such that he earned profit of 20% on his investment in the business. In the year 2018, his investment was less by Rs.5000 but still had the same income (Income=Profit + Investment) as that in 2017.Thus the profit % earned in 2018 increased by 6%. What was his investment in 2017?
Correct
Answer : 2.Rs.105000
Explanation
Incorrect
Answer : 2.Rs.105000
Explanation

Question 4 of 10
4. Question
1 pointsCategory: Quantitative AptitudeSix bells commencing tolling together toll at intervals of 2, 3, 6, 8, 10 and 12 seconds respectively. In 30 minutes how many times do they toll together?
Correct
Answer : 3.16
Explanation
L.C.M of 2, 4, 6, 8, 10 and 12 is 120.
so, the bells will toll together after 120 seconds i.e. 2 minutes.
In 30 minutes, the bells toll together 30/2 + 1 times i.e. times.Incorrect
Answer : 3.16
Explanation
L.C.M of 2, 4, 6, 8, 10 and 12 is 120.
so, the bells will toll together after 120 seconds i.e. 2 minutes.
In 30 minutes, the bells toll together 30/2 + 1 times i.e. times. 
Question 5 of 10
5. Question
1 pointsCategory: Quantitative AptitudeRam and Shyam are travelling from point A to B, which are 60 km apart. Travelling at a certain speed ram takes one hour more than Shyam to reach point B. If Ram doubles his speed he will take 30 minutes less than Shyam to reach point B. At what speed was Ram driving from point A to B?
Correct
Answer: 5.20 kmph
Explanation
Incorrect
Answer: 5.20 kmph
Explanation

Question 6 of 10
6. Question
1 pointsCategory: Quantitative AptitudeConsider three pipes A, B and C. The pipes A and B can fill the cistern in 2 and 2.5 hours respectively. The pipe C can empty the cistern in 1 hour. If these pipes were opened at an interval of half an hour at 6:00am, 6:30am and 7:00am respectively. When the cistern will get empty?
Correct
Answer: 4.2:00 pm
Explanation
Amount emptied by pipe C in one hour = 1
As pipe A fills the entire cistern in 2 hours,
Part of cistern filled by pipe A in one hour = Â½
As pipe Q fills the entire cistern in 2.5 hours,
Amount filled by pipe Q in one hour = 1/2.5
For the first half, an hour only pipe P is open.
âˆ´ Part of cistern filled by pipe P in starting Â½ hour = Â½Ã—Â½ = Â¼
For the next half an hour, pipe P and pipe Q both are open.
âˆ´ Part of cistern filled by pipe P and pipe Q in next half an hour =1/2(1/2+2/5) = 1/4+1/5=9/20
âˆ´ Total pat of cistern filled after one hour =1/4+9/20=7/10
After 1 hour, all three pipes are open.
Let x be the number of hours for which all 3 pipes are open
âˆ´At the end of x hours, the cistern will be completely
empty
âˆ´ 7/10+x (1/2+1/2.5âˆ’1) =0
â‡’7/10âˆ’x/10=0â‡’7/10âˆ’x/10=0
â‡’ x = 7
âˆ´All three tanks are open for 7 hours.
â‡’ Tank will get empty 7 hours after 7:00 am.
â‡’ Tank will get empty at 2:00 pm.Incorrect
Answer: 4.2:00 pm
Explanation
Amount emptied by pipe C in one hour = 1
As pipe A fills the entire cistern in 2 hours,
Part of cistern filled by pipe A in one hour = Â½
As pipe Q fills the entire cistern in 2.5 hours,
Amount filled by pipe Q in one hour = 1/2.5
For the first half, an hour only pipe P is open.
âˆ´ Part of cistern filled by pipe P in starting Â½ hour = Â½Ã—Â½ = Â¼
For the next half an hour, pipe P and pipe Q both are open.
âˆ´ Part of cistern filled by pipe P and pipe Q in next half an hour =1/2(1/2+2/5) = 1/4+1/5=9/20
âˆ´ Total pat of cistern filled after one hour =1/4+9/20=7/10
After 1 hour, all three pipes are open.
Let x be the number of hours for which all 3 pipes are open
âˆ´At the end of x hours, the cistern will be completely
empty
âˆ´ 7/10+x (1/2+1/2.5âˆ’1) =0
â‡’7/10âˆ’x/10=0â‡’7/10âˆ’x/10=0
â‡’ x = 7
âˆ´All three tanks are open for 7 hours.
â‡’ Tank will get empty 7 hours after 7:00 am.
â‡’ Tank will get empty at 2:00 pm. 
Question 7 of 10
7. Question
1 pointsCategory: Quantitative AptitudeA mixture of A and B in a jar contains 28 liter A and 8 liter B. X liter A and X liter B are mixed to form a mixture. If 40% of the new mixture is 20 L, then find the value of X.
Correct
Answer : 1.7 L
Explanation
40% of new mixture = 20L
100% of new mixture=(20/40)Ã—100
= 50 L
28 + x + 8 + x = 50
2x = 50 â€“ 36
x = 7LIncorrect
Answer : 1.7 L
Explanation
40% of new mixture = 20L
100% of new mixture=(20/40)Ã—100
= 50 L
28 + x + 8 + x = 50
2x = 50 â€“ 36
x = 7L 
Question 8 of 10
8. Question
1 pointsCategory: Quantitative Aptitude6^{x1} = 24 Ã— 108 Ã— 648
Correct
Answer : 3.9
Explanation
Incorrect
Answer : 3.9
Explanation

Question 9 of 10
9. Question
1 pointsCategory: Quantitative Aptitude143^{2} + 188^{2} + 201^{2} â€“ 142^{2} â€“ 186^{2} â€“ 199^{2}=x
Correct
Answer : 1.1833
Explanation
Incorrect
Answer : 1.1833
Explanation

Question 10 of 10
10. Question
1 pointsCategory: Quantitative AptitudeA man can row 7 (1/2) km/h in still water. If in a river running at 1.5 km an hour it takes him 50 minutes to row to a place and back, how far off is the place?
Correct
Answer : 3.3 km
Explanation
Speed Downstream = (7.5 + 1.5) kmph = 9 kmph
Speed Upstream = (7.5 – 1.5) kmph = 6 kmph
Let the required distance be x km. Then,
x/9 + x/6 = 50/60
2x + 3x = 5/6 Ã— 18 = 5x = 15, x = 3
Hence the required distance is 3 kmIncorrect
Answer : 3.3 km
Explanation
Speed Downstream = (7.5 + 1.5) kmph = 9 kmph
Speed Upstream = (7.5 – 1.5) kmph = 6 kmph
Let the required distance be x km. Then,
x/9 + x/6 = 50/60
2x + 3x = 5/6 Ã— 18 = 5x = 15, x = 3
Hence the required distance is 3 km
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