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Directions (1-5) Study the following table carefully answer the questions that follow :
Total number of Students – 35000

If 35% of males in Class XII & 46% of females in Class XII want to leave the class, then what is the approximate total number of students who want to leave?

Correct

Answer – 1) 3448
Explanation:
Required number =35000 *25/100 (60 % *35% + 40 % of 46 %)=3447.5

Incorrect

Answer – 1) 3448
Explanation:
Required number =35000 *25/100 (60 % *35% + 40 % of 46 %)=3447.5

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Directions (1-5) Study the following table carefully answer the questions that follow :
Total number of Students – 35000

What is the difference between the number of females in Class VIII & Class X together & the number of males in Class IX & Class XII together?

Directions (1-5) Study the following table carefully answer the questions that follow :
Total number of Students – 35000

If 25% females in Class XI want to be Engineer & 15% want to be Doctor while 20% of males in Class XI want to be Engineer & 25% want to be Doctor then approximately what is the total number of students who want to be Engineer & Doctors together?

Correct

Answer – 2) 2219
Explanation:
Required = 35000{(25+15)% of 55% of 15% + (20 +25)% of 45% of 15%}
2218.125 = 2219(approx)

Incorrect

Answer – 2) 2219
Explanation:
Required = 35000{(25+15)% of 55% of 15% + (20 +25)% of 45% of 15%}
2218.125 = 2219(approx)

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

The ratio of efficiency of Sharma to Pramod is 5:3. The ratio of number of days taken by Rishi to Pramod is 2:3. Sharma takes 6 days less than Pramod, when Sharma and Pramod complete the work individually. Rishi and Pramod started the work and left after 2 days. The number of days taken by Sharma to finish the remaining work is?

Correct

Answer – 3) 6 days
Explanation :
Ratio of number of days = 9:10:15
Work done By Rishi and Pramod in first two days = 2*1/6 = 1/3
Rest of the work = 2/3
Number of days = (2/3)/(1/9) = 6 days

Incorrect

Answer – 3) 6 days
Explanation :
Ratio of number of days = 9:10:15
Work done By Rishi and Pramod in first two days = 2*1/6 = 1/3
Rest of the work = 2/3
Number of days = (2/3)/(1/9) = 6 days

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

A 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 stream 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 = 11:3

Incorrect

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

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

A circular garden is surrounded by a concrete wall 4 feet wide. If the area of the concrete wall surrounding the garden is 11/25 that of the garden, then the radius of the garden is?

Correct

Answer – 2) 20ft
Explanation :
Radius of the garden = x
Radius of the garden including the wall = x+4
Area of the concrete wall = Π[(x+4)^2 – x^2] =8Π(x+2)
8Π(x+2) = 11/25Πx^2
X = 20 feet

Incorrect

Answer – 2) 20ft
Explanation :
Radius of the garden = x
Radius of the garden including the wall = x+4
Area of the concrete wall = Π[(x+4)^2 – x^2] =8Π(x+2)
8Π(x+2) = 11/25Πx^2
X = 20 feet

Sharma started travelling from a place M to N and Pranav started travelling from a place N to M which are 672 km apart. They meet after 14 hours. After their meeting, Sharma increased her speed by 2 kmph and Pranav reduced her speed by 2 kmph, they arrived at N and M respectively at the same time. What is their initial speed?

Correct

Answer – 3) 25 kmph, 23 kmph
Explanation :
Sum of their speeds = Distance/time = 672/14 = 48 kmph
Respective Speed of Sharma and Pranav = (25 + 23) = 48 kmph

Incorrect

Answer – 3) 25 kmph, 23 kmph
Explanation :
Sum of their speeds = Distance/time = 672/14 = 48 kmph
Respective Speed of Sharma and Pranav = (25 + 23) = 48 kmph

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