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Question 1 of 10
1. Question
1 pointsCategory: Quantitative AptitudeDirections(Q15) Refer to the table and answer the given questions.
Data related to number of employees in 5 different companies in December 2016Company Total number of Employees Out of total number of employees Percentage of Officers Percentage of Clerks Percentage of Labours A 1000 32% ___ ___ B 600 ___ 42% 30% C ___ 30% 30% ___ D ___ ___ 40% 20% E ___ 35% 50% ___ I.Employees of the given companies can be categorised only in three types:
Officers, Clerks and Labours
II.Few values are missing in the table (indicated by ___). A candidate is expected to calculate the missing value, if it is required to answer the given questions, on the basis of the given data and information.What is the difference between the number of Clerks and Officers in Company B?
Correct
Explanation :
Number of Clerks = 42% of 600 = 252
Number of Officers employees = 28% of 600 = 168
Difference = 252 – 168 = 84Incorrect
Explanation :
Number of Clerks = 42% of 600 = 252
Number of Officers employees = 28% of 600 = 168
Difference = 252 – 168 = 84 
Question 2 of 10
2. Question
1 pointsCategory: Quantitative AptitudeDirections(Q15) Refer to the table and answer the given questions.
Data related to number of employees in 5 different companies in December 2016Company Total number of Employees Out of total number of employees Percentage of Officers Percentage of Clerks Percentage of Labours A 1000 32% ___ ___ B 600 ___ 42% 30% C ___ 30% 30% ___ D ___ ___ 40% 20% E ___ 35% 50% ___ I.Employees of the given companies can be categorised only in three types:
Officers, Clerks and Labours
II.Few values are missing in the table (indicated by ___). A candidate is expected to calculate the missing value, if it is required to answer the given questions, on the basis of the given data and information.The Average number of Clerks and Labours in Company E was 338. what was the total number of employees in Company E?
Correct
Explanation :
Average no of Clerks and Labours in Company E = 338
Total no of Clerks and Labours in Company E = 676
Total number of employees in Company E = X
X = 676 * (100/65) = 1040Incorrect
Explanation :
Average no of Clerks and Labours in Company E = 338
Total no of Clerks and Labours in Company E = 676
Total number of employees in Company E = X
X = 676 * (100/65) = 1040 
Question 3 of 10
3. Question
1 pointsCategory: Quantitative AptitudeDirections(Q15) Refer to the table and answer the given questions.
Data related to number of employees in 5 different companies in December 2016Company Total number of Employees Out of total number of employees Percentage of Officers Percentage of Clerks Percentage of Labours A 1000 32% ___ ___ B 600 ___ 42% 30% C ___ 30% 30% ___ D ___ ___ 40% 20% E ___ 35% 50% ___ I.Employees of the given companies can be categorised only in three types:
Officers, Clerks and Labours
II.Few values are missing in the table (indicated by ___). A candidate is expected to calculate the missing value, if it is required to answer the given questions, on the basis of the given data and information.If the respective ratio between the number of Labours and Clerks in Company A was 10:7, what was the number of Clerks in A?
Correct
Explanation :
Number of Labours = 32% of 1000 = 320
Number of Labours and Clerks = 1000 320 = 680
Number of Clerks in A = 680 * (7/17) = 280Incorrect
Explanation :
Number of Labours = 32% of 1000 = 320
Number of Labours and Clerks = 1000 320 = 680
Number of Clerks in A = 680 * (7/17) = 280 
Question 4 of 10
4. Question
1 pointsCategory: Quantitative AptitudeDirections(Q15) Refer to the table and answer the given questions.
Data related to number of employees in 5 different companies in December 2016Company Total number of Employees Out of total number of employees Percentage of Officers Percentage of Clerks Percentage of Labours A 1000 32% ___ ___ B 600 ___ 42% 30% C ___ 30% 30% ___ D ___ ___ 40% 20% E ___ 35% 50% ___ I.Employees of the given companies can be categorised only in three types:
Officers, Clerks and Labours
II.Few values are missing in the table (indicated by ___). A candidate is expected to calculate the missing value, if it is required to answer the given questions, on the basis of the given data and information.The total number of employees in Company B increased by 20% from December 2016 to 2017, If 20% of the total number of employees in Company B in December, 2017 was Officers, what was the number of officers in Company B in December 2017?
Correct
Explanation :
Total number of employees in Company B in 2017 = 720
Officers in Company B in December 2017 = 20% of 720 = 144Incorrect
Explanation :
Total number of employees in Company B in 2017 = 720
Officers in Company B in December 2017 = 20% of 720 = 144 
Question 5 of 10
5. Question
1 pointsCategory: Quantitative AptitudeDirections(Q15) Refer to the table and answer the given questions.
Data related to number of employees in 5 different companies in December 2016Company Total number of Employees Out of total number of employees Percentage of Officers Percentage of Clerks Percentage of Labours A 1000 32% ___ ___ B 600 ___ 42% 30% C ___ 30% 30% ___ D ___ ___ 40% 20% E ___ 35% 50% ___ I.Employees of the given companies can be categorised only in three types:
Officers, Clerks and Labours
II.Few values are missing in the table (indicated by ___). A candidate is expected to calculate the missing value, if it is required to answer the given questions, on the basis of the given data and information.The total number of employees in Company C was 3 times the total number of employees in Company D. If the difference between the number of Clerks in Company D and that of Labours in the same Company was 120, what was the total number of employees in Company C?
Correct
Explanation :
40% – 20% = 120
20% = 120; Total number of employees in Company D = 600
Total number of employees in Company C = 1800Incorrect
Explanation :
40% – 20% = 120
20% = 120; Total number of employees in Company D = 600
Total number of employees in Company C = 1800 
Question 6 of 10
6. Question
1 pointsCategory: Quantitative AptitudePriya borrowed Rs.180,000 on a condition that she had to pay 7.5% interest every year. She also agreed to pay the principal in equal annual installments over 21 years. After a certain number of years, however, the rate of interest has been reduced to 7%. It is also known that at the end of the agreed period, she will have paid in all Rs.2,70,900 in interest. For how many years does she pay at the reduced interest rate?
Correct
Explanation:
x = interest paid at 7.5%
(21x) years interest paid at 7%
((180000*x*7.5)/100) + ((180000*7*(21x))/100) = 270900
x = 7
21 – 7 = 14 years she paid at the reduced interest rateIncorrect
Explanation:
x = interest paid at 7.5%
(21x) years interest paid at 7%
((180000*x*7.5)/100) + ((180000*7*(21x))/100) = 270900
x = 7
21 – 7 = 14 years she paid at the reduced interest rate 
Question 7 of 10
7. Question
1 pointsCategory: Quantitative AptitudeEight years ago, Pradeepa’s age was equal to the sum of the present ages of her one son and one daughter. Five years hence, the respective ratio between the ages of her daughter and her son that time will be 7:6. If Pradeepa’s husband is 7 years elder to her and his present age is three times the present age of their son, what is the present age of the daughter?
Correct
Explanation :
P – 8 = S + D —(1)
6D + 30 = 7S + 35 —(2)
H = 7 + P
H = 3S
3S = 7 + P —(3)
Solving eqn (1),(2) and (3) D = 23Incorrect
Explanation :
P – 8 = S + D —(1)
6D + 30 = 7S + 35 —(2)
H = 7 + P
H = 3S
3S = 7 + P —(3)
Solving eqn (1),(2) and (3) D = 23 
Question 8 of 10
8. Question
1 pointsCategory: Quantitative AptitudeThe ratio between the sides of a room is 3:2. The cost of white washing the ceiling of the room at 5 Rs per square metre is Rs. 2500 and the cost of papering the walls at Rs. 2 per square metre is Rs. 960. The height of the room is?
Correct
Explanation :
Area of Ceiling = Total Cost / Cost of 1 sq. Unit
= 2500/5 = 500
l:b = 2x:3x
l*b = 5×2 = 500
l = 30m & b = 20 m
Area of the 4 wall = 960/2 = 480
Height = 480 / 2(30 + 20) = 4.8mIncorrect
Explanation :
Area of Ceiling = Total Cost / Cost of 1 sq. Unit
= 2500/5 = 500
l:b = 2x:3x
l*b = 5×2 = 500
l = 30m & b = 20 m
Area of the 4 wall = 960/2 = 480
Height = 480 / 2(30 + 20) = 4.8m 
Question 9 of 10
9. Question
1 pointsCategory: Quantitative AptitudeA bag contains 2 red caps, 4 blue caps, 3 yellow caps and 5 green caps. If three caps are picked at random, what is the probability that none is green?
Correct
Explanation:
Total caps = 14
Probability = 5c0 * 9c3/ 14c3 = 3/13Incorrect
Explanation:
Total caps = 14
Probability = 5c0 * 9c3/ 14c3 = 3/13 
Question 10 of 10
10. Question
1 pointsCategory: Quantitative AptitudeTwo pipes X and Y can fill a tank in 12 hours and 18 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom of the tank it took 48 minutes excess time to fill the cistern. When the cistern is full, in what time will the leak empty it?
Correct
Explanation :
Work done by the two pipes in 1 hour = (1/12)+(1/18) = (15/108).
Time taken by these pipes to fill the tank = (108/15)hrs = 7 hours 12 min.
Due to leakage, time taken = 7 hours 12 min + 48 min = 8 hours
Work done by two pipes and leak in 1 hour = 1/8.
Work done by the leak in 1 hour =(15/108)(1/8)=(1/72).
Leak will empty the full cistern in 72 hoursIncorrect
Explanation :
Work done by the two pipes in 1 hour = (1/12)+(1/18) = (15/108).
Time taken by these pipes to fill the tank = (108/15)hrs = 7 hours 12 min.
Due to leakage, time taken = 7 hours 12 min + 48 min = 8 hours
Work done by two pipes and leak in 1 hour = 1/8.
Work done by the leak in 1 hour =(15/108)(1/8)=(1/72).
Leak will empty the full cistern in 72 hours
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