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Question 1 of 10
1. Question
1 pointsCategory: Quantitative AptitudeDirections.Q(12) Find out the wrong number in the series
1, 3, 15, 55, 227, 900
Correct
Answer – 5.900
Explanation :
1 * 4 – 1 = 3
3 * 4 + 3 = 15
15 * 4 – 5 = 55
55 * 4 + 7 = 227
227 * 4 – 9 = 899Incorrect
Answer – 5.900
Explanation :
1 * 4 – 1 = 3
3 * 4 + 3 = 15
15 * 4 – 5 = 55
55 * 4 + 7 = 227
227 * 4 – 9 = 899 
Question 2 of 10
2. Question
1 pointsCategory: Quantitative AptitudeDirections.Q(12) Find out the wrong number in the series
3, 2, 16, 35, 107, 222
Correct
Answer – 2.16
Explanation :
3 + 1³ – 2 = 2
2 + 2³ + 4 = 14
14 + 3³ – 6 = 35
35 + 4³ + 8 = 107Incorrect
Answer – 2.16
Explanation :
3 + 1³ – 2 = 2
2 + 2³ + 4 = 14
14 + 3³ – 6 = 35
35 + 4³ + 8 = 107 
Question 3 of 10
3. Question
1 pointsCategory: Quantitative Aptitudex² – 34x + 273 = 0
y² – 20y + 91 = 0Correct
Answer – 3. X ≥ Y
Explanation:
x² – 34x + 273 = 0
x = 13, 21
y² – 20y + 91 = 0
y = 13, 7Incorrect
Answer – 3. X ≥ Y
Explanation:
x² – 34x + 273 = 0
x = 13, 21
y² – 20y + 91 = 0
y = 13, 7 
Question 4 of 10
4. Question
1 pointsCategory: Quantitative Aptitude2 years ago, the average age of Ramesh, Ravi and Rakesh was 30 years. The present average age of Ramesh and Ravi is 25 years. 4 years hence, the average age of Rakesh and Shalini would be 43 years. What is the difference between the present age of Rakesh and Shalini?
Correct
Answer – 2. 14 years
Explanation:
2 years ago, total age of Ramesh + Ravi + Rakesh = 90
Their present age = 90+6=96
So the age of Rakesh = 9650=46
4 years hence ,the total age of Rakesh & Shalini would be = 86 years
So present age of Rakesh & Shalini =868=78
So present age of Shalini = 7846=32
Difference = 46 – 32 = 14Incorrect
Answer – 2. 14 years
Explanation:
2 years ago, total age of Ramesh + Ravi + Rakesh = 90
Their present age = 90+6=96
So the age of Rakesh = 9650=46
4 years hence ,the total age of Rakesh & Shalini would be = 86 years
So present age of Rakesh & Shalini =868=78
So present age of Shalini = 7846=32
Difference = 46 – 32 = 14 
Question 5 of 10
5. Question
1 pointsCategory: Quantitative AptitudeThe marked price of Laptop is 40% less than that of LED TV. The discount on the Laptop is 50%. What should be the discount on the LED TV so that the overall discount on the LED TV and the Laptop taken together is 37.5%
Correct
Answer – 4. 30%
Explanation:
40% = 2/5
Let the price of LED TV be 5X, so price of Laptop =3x
Discount on LED TV = [(75 * 8X)/2*100}{(50 *3X)/100]=1.5X
So % discount on LED TV = (1.5X *100)/5X= 30%Incorrect
Answer – 4. 30%
Explanation:
40% = 2/5
Let the price of LED TV be 5X, so price of Laptop =3x
Discount on LED TV = [(75 * 8X)/2*100}{(50 *3X)/100]=1.5X
So % discount on LED TV = (1.5X *100)/5X= 30% 
Question 6 of 10
6. Question
1 pointsCategory: Quantitative AptitudeTwo trains A and B are running at the speed of 90 kmph and 72 kmph respectively in opposite directions. Both the trains cross each other in 6 seconds. When they are running in the same direction at the same speed as before, a man sitting in the train A observes that he passes the train B in 30 seconds. Find the difference between the length of the A and B.
Correct
Answer – 4. 30 m
Explanation:
Sum of the length of both train =(90+72) *5/18*6 = 270 m
Length of the B =(9072)*5/18*30 = 150 m
Length of A =(270150)m= 120 m
Difference = 150 120 = 30mIncorrect
Answer – 4. 30 m
Explanation:
Sum of the length of both train =(90+72) *5/18*6 = 270 m
Length of the B =(9072)*5/18*30 = 150 m
Length of A =(270150)m= 120 m
Difference = 150 120 = 30m 
Question 7 of 10
7. Question
1 pointsCategory: Quantitative AptitudeIf the percentage profit is equal to the labeled price and when the Smartphone is sold for Rs 100 more than the labeled price, the percentage profit is increased by 5%. Find the labeled price of Smart phone?
Correct
Answer – 4. 10000
Explanation:
Let the labeled price be Rs X
The selling price = X + 100
Now, X + 100 = (110X)/100
X=10000Incorrect
Answer – 4. 10000
Explanation:
Let the labeled price be Rs X
The selling price = X + 100
Now, X + 100 = (110X)/100
X=10000 
Question 8 of 10
8. Question
1 pointsCategory: Quantitative AptitudeSuresh marks an item 40% above its cost price and gives 25% discount to the customer. If Sundar pays Rs 840 for the product, what is the cost price?
Correct
Answer – 2. 800
Explanation:
Profit % = 4025 –(40*25)/100=5 %
840 *100=CP(100+5)
X=800Incorrect
Answer – 2. 800
Explanation:
Profit % = 4025 –(40*25)/100=5 %
840 *100=CP(100+5)
X=800 
Question 9 of 10
9. Question
1 pointsCategory: Quantitative AptitudeRajesh rows to place 80 km away and back in 20 hours. He finds that he can row 8 km downstream in the same time as 4 km upstream. The difference between the upstream speed and the downstream speed is
Correct
Answer – 5. 6 kmph
Explanation:
Downstream speed = 8/X kmph
Upstream speed = 4/X kmph
80/(8/X) + 80/(4/X)=20
X=2/3
Speed downstream = 8/(2/3)= 12kmph
Speed upstream =4/(2/3)= 6kmph
Difference = 6kmphIncorrect
Answer – 5. 6 kmph
Explanation:
Downstream speed = 8/X kmph
Upstream speed = 4/X kmph
80/(8/X) + 80/(4/X)=20
X=2/3
Speed downstream = 8/(2/3)= 12kmph
Speed upstream =4/(2/3)= 6kmph
Difference = 6kmph 
Question 10 of 10
10. Question
1 pointsCategory: Quantitative AptitudeIn a company 20 workers of first batch can do a piece of work for 5 hours per day and make 400 boxes in 30 days then in how many days 15 workers of the second batch working 4 hours per days will make 50% boxes if efficiency of the first batch is 3/2 times of the second batch?
Correct
Answer – 4. 75/2 days
Explanation :
20 * 30 * 5 * 3 * 200= 15 * X * 4 *2 * 400
X = 75/2 daysIncorrect
Answer – 4. 75/2 days
Explanation :
20 * 30 * 5 * 3 * 200= 15 * X * 4 *2 * 400
X = 75/2 days
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