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Question 1 of 10
1. Question
1 pointsCategory: Quantitative AptitudePrakash went to the office at the speed of 60 kmph while returning for his home he covered the half of the distance at the speed of 10 kmph, but suddenly he
realized that he was getting late so he increased the speed and reached the home by covering rest half of the distance at the speed of 30 kmph. Find out the 1/4th of the average speed of Prakash in the whole length of journey is?
Correct
Answer – 3) 6 kmph
Explanation:
Distance between home and office – x km
Total distance = x + x = 2x
Total time taken = x/60 + (x/2)/10 + (x/2)/30 = x/12
Average speed = 2x/(x/12) = 24 kmph
1/4th of average speed = ¼ * 24 = 6 kmphIncorrect
Answer – 3) 6 kmph
Explanation:
Distance between home and office – x km
Total distance = x + x = 2x
Total time taken = x/60 + (x/2)/10 + (x/2)/30 = x/12
Average speed = 2x/(x/12) = 24 kmph
1/4th of average speed = ¼ * 24 = 6 kmph 
Question 2 of 10
2. Question
1 pointsCategory: Quantitative AptitudeFind out the wrong number
2, 4, 7, 25, 87, 344Correct
Answer – 2) 25
Explanation :
2 + 1² + 1 = 4
4 + 2² – 1 = 7
7 + 4² + 1 = 24
24 + 8² – 1 = 87
87 + 16² + 1 = 344Incorrect
Answer – 2) 25
Explanation :
2 + 1² + 1 = 4
4 + 2² – 1 = 7
7 + 4² + 1 = 24
24 + 8² – 1 = 87
87 + 16² + 1 = 344 
Question 3 of 10
3. Question
1 pointsCategory: Quantitative Aptitude5.98 * 2.03 + 0.99 * 6.9 + 139.025 = ?
Correct
Answer – 2) 158
Explanation :
6 * 2 + 1 * 7 + 139 = 158Incorrect
Answer – 2) 158
Explanation :
6 * 2 + 1 * 7 + 139 = 158 
Question 4 of 10
4. Question
1 pointsCategory: Quantitative AptitudeA sum of Rs.7650 is to be divided between A and B who are respectively 18 and 19 year old, in such a way that if their shares will be invested at 4% per annum at CI, they will receive equal amounts on attaining the age of 21 year. The present share of B is
Correct
Answer – 4) 3900
Explanation :
Amount got by A after 3 yr = Amount got by B after 2 yr
x*(26/25)³ = (7650 – x)*(26/25)^2
26/25 = 7650 – x / x
x = 3750
7650 – 3750 = 3900Incorrect
Answer – 4) 3900
Explanation :
Amount got by A after 3 yr = Amount got by B after 2 yr
x*(26/25)³ = (7650 – x)*(26/25)^2
26/25 = 7650 – x / x
x = 3750
7650 – 3750 = 3900 
Question 5 of 10
5. Question
1 pointsCategory: Quantitative AptitudeAn amount of money is to be distributed among Arun, Bala and Chitra in the ratio of 7:4:5 respectively. If the total share of Arun and Chitra is 4 times the share of Bala, what is definitely Bala’s share?
Correct
Answer – 4) Can’t be determined
Explanation :
Total sum is not givenIncorrect
Answer – 4) Can’t be determined
Explanation :
Total sum is not given 
Question 6 of 10
6. Question
1 pointsCategory: Quantitative AptitudeSankar deposits some amount in three different savings schemes in a reputed bank for 2 years, 4 years and 6 years at 10%, 15% and 25% Simple Interest respectively. At the completion of each savings scheme, he gets the same interest. The ratio of his investments is
Correct
Answer – 3) 15 : 5 : 2
Explanation:
Principal = x1, x2 and x3
x1 * 2 * 10 = x2 * 4 * 15 = x3 * 6 * 25
2×1 = 6×2 = 15×3
x1 : x2 = 3 : 1 ; x2 : x3 = 5 : 2
x1 : x2 : x3 = 15 : 5 : 2Incorrect
Answer – 3) 15 : 5 : 2
Explanation:
Principal = x1, x2 and x3
x1 * 2 * 10 = x2 * 4 * 15 = x3 * 6 * 25
2×1 = 6×2 = 15×3
x1 : x2 = 3 : 1 ; x2 : x3 = 5 : 2
x1 : x2 : x3 = 15 : 5 : 2 
Question 7 of 10
7. Question
1 pointsCategory: Quantitative Aptitudex² – 21x + 196 = 0
y² + 4y – 221 = 0Correct
Answer – 5) X = Y or relation cannot be established
Explanation:
x² – 21x + 196 = 0
x = 28, – 7
(y – 13) (y + 17) = 0
y = 13, – 17Incorrect
Answer – 5) X = Y or relation cannot be established
Explanation:
x² – 21x + 196 = 0
x = 28, – 7
(y – 13) (y + 17) = 0
y = 13, – 17 
Question 8 of 10
8. Question
1 pointsCategory: Quantitative AptitudeThe ratio of the present age of B to that of A is 3 : 11. A is 12 years younger than V. V’s age after 7 years will be 85 years.
Quantity I: The present age of B’s father, who is 25 years older than B.
Quantity II: V’s present ageCorrect
Answer – 2) Quantity I < Quantity II
Explanation:
11x = 85 – 7 – 12
x = 6
Present age of B = 18
Present age of B’s father = 18 + 25 = 43; V’s present age = 78Incorrect
Answer – 2) Quantity I < Quantity II
Explanation:
11x = 85 – 7 – 12
x = 6
Present age of B = 18
Present age of B’s father = 18 + 25 = 43; V’s present age = 78 
Question 9 of 10
9. Question
1 pointsCategory: Quantitative AptitudeA Water tank can be filled by an inlet pipe at the rate of 5 litre per minute. A leak in the bottom of a Water tank can empty the full tank in 8 hours. When the Water tank is full, the inlet is opened and due to the leak, the Water tank is empty in 40 hours. How many litre does the half of the Water tank hold?
Correct
Answer – 5) 1500 litre
Explanation :
Part emptied by the leak in 1 hour = 1/8
part filled by (leak & inlet open) in 1 hour = 1/40
Part filled by the inlet pipe in 1 hour = 1/8 – 1/40 = 1/10
Inlet pipe fills the tank in = 10 hours
Inlet pipe fills water at the rate of 5 litre a minute.
Capacity of Water tank = 10 * 60 * 5 = 3000 litre
Half of the Capacity of Water tank = 1500 litreIncorrect
Answer – 5) 1500 litre
Explanation :
Part emptied by the leak in 1 hour = 1/8
part filled by (leak & inlet open) in 1 hour = 1/40
Part filled by the inlet pipe in 1 hour = 1/8 – 1/40 = 1/10
Inlet pipe fills the tank in = 10 hours
Inlet pipe fills water at the rate of 5 litre a minute.
Capacity of Water tank = 10 * 60 * 5 = 3000 litre
Half of the Capacity of Water tank = 1500 litre 
Question 10 of 10
10. Question
1 pointsCategory: Quantitative AptitudeA watercraft running upstream takes 8 hours 45 minutes to cover a certain distance, while it takes 5 hours to cover the same distance running downstream. What is the ratio between the speed of the watercraft and speed of the water current respectively?
Correct
Answer – 2) 11 : 3
Explanation :
x*35/4 = 5y
y = 7x/4
Required Ratio = (Y + X / 2) : (Y – X / 2)
11x/8 : 3x/8 = 11:3Incorrect
Answer – 2) 11 : 3
Explanation :
x*35/4 = 5y
y = 7x/4
Required Ratio = (Y + X / 2) : (Y – X / 2)
11x/8 : 3x/8 = 11:3
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