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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

Q. (1-4) Directions for the Question: Study the following pie-charts to answer these questions.

If 22% of the Production department persons are posted at Hyderabad region, then what % of Hyderabad workforce are in Production department?

Correct

Answer : 1. 38.5% Explanation –
Let the total Workforce = 100.
Workforce in Production = 49.
22% of Production = 22% of 49 = 10.78
So 10.78 workers in Hyderabad are in production department.
Total workforce in Hyderabad = 28
Therefore the percentage =10.78/28 x 100 = 38.5%

Incorrect

Answer : 1. 38.5% Explanation –
Let the total Workforce = 100.
Workforce in Production = 49.
22% of Production = 22% of 49 = 10.78
So 10.78 workers in Hyderabad are in production department.
Total workforce in Hyderabad = 28
Therefore the percentage =10.78/28 x 100 = 38.5%

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

Q. (1-4) Directions for the Question: Study the following pie-charts to answer these questions.

How many supervisors are posted in Calcutta region?

Correct

Answer : 4. Data insufficient Explanation –
As percentage of supervisor posted in Calcutta region is not given so data is insufficient.

Incorrect

Answer : 4. Data insufficient Explanation –
As percentage of supervisor posted in Calcutta region is not given so data is insufficient.

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Q. (1-4) Directions for the Question: Study the following pie-charts to answer these questions.

If 11% officers of the company are in Administration and Accounts department of which 75% are posted at Calcutta, then what percent of total officers of the company are posted at Administration and Accounts, Calcutta?

Correct

Answer : 2. 8.25% Explanation-
The number of employees in the Administration and Accounts department = 11% of 68700 = 7557
The number of employees in Administration and Accounts department posted in Calcutta = 75% of 7557 = 5668
So the required percentage = 5668/68700 x 100 = 8.25%

Incorrect

Answer : 2. 8.25% Explanation-
The number of employees in the Administration and Accounts department = 11% of 68700 = 7557
The number of employees in Administration and Accounts department posted in Calcutta = 75% of 7557 = 5668
So the required percentage = 5668/68700 x 100 = 8.25%

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

Q. (1-4) Directions for the Question: Study the following pie-charts to answer these questions.

If under expansion programme, the company recruits 12% of workforce of Hyderabad and Mumbai regions, but 6% of workforce of Calcutta region retires, and workforce at other regions remains the same, then what will be the total workforce of the company?

Correct

Answer : 3. 72204 Explanation-
The total workforce at Hyderabad = 28% of 68700 = 19236
The total workforce at Mumbai = 22% of 68700 = 15114
The total workforce at Calcutta = 15% of 68700 = 10305
So the new recruitment = 12% of (19236 + 15114) = 12% of 34350 = 4122
The total retirement = 6% of 10305 = 618.3
Hence the total workforce = 68700 + 4122 – 618.3 = 72203.7

Incorrect

Answer : 3. 72204 Explanation-
The total workforce at Hyderabad = 28% of 68700 = 19236
The total workforce at Mumbai = 22% of 68700 = 15114
The total workforce at Calcutta = 15% of 68700 = 10305
So the new recruitment = 12% of (19236 + 15114) = 12% of 34350 = 4122
The total retirement = 6% of 10305 = 618.3
Hence the total workforce = 68700 + 4122 – 618.3 = 72203.7

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

The average monthly expenditure of Mr. Sunil’s family for the first three months is Rs 2,750, for the next three months is Rs 2,940 and for the last three months Rs 3,150. If his family saves Rs 4980 for nine months, find the average monthly income of the family for the 9 months?

Correct

Answer : 2.Rs. 3500
Explanation:
Average monthly expenditure for 3 months = Rs. 2750
Total expenditure for 3 months = Rs 2750 x 3 = Rs. 8250
Average monthly expenditure for 3 months = Rs. 2940
Total expenditure for 3 months = Rs 2940 x 3 = Rs. 8820
Average monthly expenditure for 3 months = Rs. 3150
Total expenditure for 3 months = Rs 3150 x 3 = Rs. 9450
Total savings for 9 months = 4980
Average monthly income for 9 months = (8250 + 8820 + 9450 + 4980)/9 = 3500

Incorrect

Answer : 2.Rs. 3500
Explanation:
Average monthly expenditure for 3 months = Rs. 2750
Total expenditure for 3 months = Rs 2750 x 3 = Rs. 8250
Average monthly expenditure for 3 months = Rs. 2940
Total expenditure for 3 months = Rs 2940 x 3 = Rs. 8820
Average monthly expenditure for 3 months = Rs. 3150
Total expenditure for 3 months = Rs 3150 x 3 = Rs. 9450
Total savings for 9 months = 4980
Average monthly income for 9 months = (8250 + 8820 + 9450 + 4980)/9 = 3500

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

A car has wheels of diameter 70 m. How many revolutions can the wheel complete in 20 minutes if the car is travelling at a speed of 110 m/s?

Correct

Answer : 5. 600
Explanation-
Radius of wheel = 70/2 = 35 cm
Distance travelled in one revolution = 2πr = 2 * 22/7 * 35 = 220 cm
Let the number of revolutions made by wheel is x so total distance travelled = distance travelled in one revolution * number of revolutions so total distance travelled = 220x cm 20 mins = 20*60 seconds
Speed of car = 220x/(20*60) So 110 = 220x/(20*60) Solve, x = 600

Incorrect

Answer : 5. 600
Explanation-
Radius of wheel = 70/2 = 35 cm
Distance travelled in one revolution = 2πr = 2 * 22/7 * 35 = 220 cm
Let the number of revolutions made by wheel is x so total distance travelled = distance travelled in one revolution * number of revolutions so total distance travelled = 220x cm 20 mins = 20*60 seconds
Speed of car = 220x/(20*60) So 110 = 220x/(20*60) Solve, x = 600

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

5 men and 7 women can complete a work in 13 days while 4 men and 6 women can complete it in 16 days. Find in how many days will 2 men and 6 women complete the work?

Correct

Answer : 5.26 days
Explanation-
5 M + 7W = 13 days 65 M + 91 W = 1 day………….(1)
4 M + 6 W = 16 days 64 M + 96 W = 1 day………….(2)
From (1) and (2) 1 M = 5W Put in 1, 5M = 25W So 25W + 7W = 13 days
32 W = 13
1 W = 13*32 days So 16 W = 13*32/16 = 26 days

Incorrect

Answer : 5.26 days
Explanation-
5 M + 7W = 13 days 65 M + 91 W = 1 day………….(1)
4 M + 6 W = 16 days 64 M + 96 W = 1 day………….(2)
From (1) and (2) 1 M = 5W Put in 1, 5M = 25W So 25W + 7W = 13 days
32 W = 13
1 W = 13*32 days So 16 W = 13*32/16 = 26 days

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

√1849 – 48% of 150 + 45% of 240

Correct

Answer : 4. 79
Explanation:43 – 72 + 108 = 79

Incorrect

Answer : 4. 79
Explanation:43 – 72 + 108 = 79

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

830 ÷ 16 – 34.09% of 450.03 + 44.99% of 280 = x

Correct

Answer : 1. 25
Explanation-
52 – 152 + 126 = 25

Incorrect

Answer : 1. 25
Explanation-
52 – 152 + 126 = 25

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

Priya and Swati invested Rs 3780 and Rs 3960 in a business. After 3 months, Priyawithdrew Rs 420 and Swati withdrew Rs 180. At the same time Anju joined them by investing Rs 4620. After a year, they made a profit of Rs 35,850. Find Swati’s share in the annual profit.

Correct

Answer : 2. Rs 12,750
Explanation-
Ratio of shares of Priya : Swati : Anju is 3780*3 + 3360*9 : 3960*3 + 3780*9 + 4620*9
77 : 85 : 77 So Swati’s share = 85/(77+85+77) * 35850 = Rs 12,750

Incorrect

Answer : 2. Rs 12,750
Explanation-
Ratio of shares of Priya : Swati : Anju is 3780*3 + 3360*9 : 3960*3 + 3780*9 + 4620*9
77 : 85 : 77 So Swati’s share = 85/(77+85+77) * 35850 = Rs 12,750

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