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Question 1 of 10
1. Question
1 pointsCategory: Quantitative AptitudeDirections (15): What will come in place of question mark (?) in the following number series?
12, 23, 21, 41, 39, ?
Correct
Explanation:
12*2 – 1
23*1 – 2
21*2 – 1
41*1 – 2Incorrect
Explanation:
12*2 – 1
23*1 – 2
21*2 – 1
41*1 – 2 
Question 2 of 10
2. Question
1 pointsCategory: Quantitative AptitudeDirections (15): What will come in place of question mark (?) in the following number series?
32, 43, 58, 81, 116, ?
Correct
Explanation:
Double difference series
4332, 5843, 8158, 11681
11, 15, 23, 35
1511, 2315, 3523
4, 8, 12
So next no (16) + 35 + 116Incorrect
Explanation:
Double difference series
4332, 5843, 8158, 11681
11, 15, 23, 35
1511, 2315, 3523
4, 8, 12
So next no (16) + 35 + 116 
Question 3 of 10
3. Question
1 pointsCategory: Quantitative AptitudeDirections (15): What will come in place of question mark (?) in the following number series?
3, 13, 55, 229, 943, ?
Correct
Explanation:
4^1 – 3^0, 4^2 – 3^1, 4^3 – 3^2, 4^4 – 3^3, ….Incorrect
Explanation:
4^1 – 3^0, 4^2 – 3^1, 4^3 – 3^2, 4^4 – 3^3, …. 
Question 4 of 10
4. Question
1 pointsCategory: Quantitative AptitudeDirections (15): What will come in place of question mark (?) in the following number series?
112, 56, 84, 210, 735, ?
Correct
Explanation:
112*0.5, 56*1.5, 84*2.5, 210*3.5,Incorrect
Explanation:
112*0.5, 56*1.5, 84*2.5, 210*3.5, 
Question 5 of 10
5. Question
1 pointsCategory: Quantitative AptitudeDirections (15): What will come in place of question mark (?) in the following number series?
2, 12, 30, 56, 90, ?
Correct
Explanation:
1^{2}+1, 3^{2}+3, 5^{2}+5, 7^{2}+7, 9^{2}+9,Incorrect
Explanation:
1^{2}+1, 3^{2}+3, 5^{2}+5, 7^{2}+7, 9^{2}+9, 
Question 6 of 10
6. Question
1 pointsCategory: Quantitative AptitudeDirections (6 – 10): Study the following table, so values are missing. Complete the table by following instructions in each table and answer the questions that follow.
The table shows the employees in each department of an organization, the ratio of males to females in each department and the ratio of graduates to post graduates in each department.Departments Total
employeesRatio of
Males to FemalesRatio of Graduates
to Post GraduatesA 450 8 : 7 B 270 5 : 4 C 5 : 7 D 220 6 : 5 1 : 1 E 400 What is the total number of post graduates in departments B and C, if ratio of graduates to post graduates in department B is 7 : 2 and total employees in department C is 33 1/3% more than employees in department B?
Correct
Explanation:
employees in department C = [(100 + 100/3)/100] * 270 = 360
Post grads in B + post grads in C = (2/9)*270 + (7/12)*360 = 60 + 210Incorrect
Explanation:
employees in department C = [(100 + 100/3)/100] * 270 = 360
Post grads in B + post grads in C = (2/9)*270 + (7/12)*360 = 60 + 210 
Question 7 of 10
7. Question
1 pointsCategory: Quantitative AptitudeDirections (6 – 10): Study the following table, so values are missing. Complete the table by following instructions in each table and answer the questions that follow.
The table shows the employees in each department of an organization, the ratio of males to females in each department and the ratio of graduates to post graduates in each department.Departments Total
employeesRatio of
Males to FemalesRatio of Graduates
to Post GraduatesA 450 8 : 7 B 270 5 : 4 C 5 : 7 D 220 6 : 5 1 : 1 E 400 If employees in department C is 10% less than employees in department E and ratio of graduates to postgraduates in department A is equal to the ratio of employees in departments C and A, then total graduates in department C is what percent of total post graduates in department A?
Correct
Explanation:
employees in department C = 90/100 * 400 = 360
ratio of grads to post grads in A = 360/450 = 4 : 5
So Grads in C = (5/12)*360 = 150, post grads in A = (5/9)*450 = 250
So required % = (150/250)*100Incorrect
Explanation:
employees in department C = 90/100 * 400 = 360
ratio of grads to post grads in A = 360/450 = 4 : 5
So Grads in C = (5/12)*360 = 150, post grads in A = (5/9)*450 = 250
So required % = (150/250)*100 
Question 8 of 10
8. Question
1 pointsCategory: Quantitative AptitudeDirections (6 – 10): Study the following table, so values are missing. Complete the table by following instructions in each table and answer the questions that follow.
The table shows the employees in each department of an organization, the ratio of males to females in each department and the ratio of graduates to post graduates in each department.Departments Total
employeesRatio of
Males to FemalesRatio of Graduates
to Post GraduatesA 450 8 : 7 B 270 5 : 4 C 5 : 7 D 220 6 : 5 1 : 1 E 400 The number of employees in department C is 360 and number of females in same department is 30 less than the number of females in department B. What is the ratio of total number of males in departments B and C to that of the total number of females in departments A and D?
Correct
Explanation:
Number of females in C is 4/9 * 270 – 30 = 90
So males in C = 360 – 90 = 270
Males in B + males in C = (5/9)*270 + 270 = 150 + 270 = 420
Females in A + females in D = (7/15)*450 + (5/11)*220 = 210 + 100 = 310
42 : 31Incorrect
Explanation:
Number of females in C is 4/9 * 270 – 30 = 90
So males in C = 360 – 90 = 270
Males in B + males in C = (5/9)*270 + 270 = 150 + 270 = 420
Females in A + females in D = (7/15)*450 + (5/11)*220 = 210 + 100 = 310
42 : 31 
Question 9 of 10
9. Question
1 pointsCategory: Quantitative AptitudeDirections (6 – 10): Study the following table, so values are missing. Complete the table by following instructions in each table and answer the questions that follow.
The table shows the employees in each department of an organization, the ratio of males to females in each department and the ratio of graduates to post graduates in each department.Departments Total
employeesRatio of
Males to FemalesRatio of Graduates
to Post GraduatesA 450 8 : 7 B 270 5 : 4 C 5 : 7 D 220 6 : 5 1 : 1 E 400 If the ratio of graduates to post graduates in department E is equal to the ratio of employees in department A to employees in department B and number of males in department E is 120, then how many post graduate females are there in department E?
Correct
Explanation:
in E, females are 400120 = 280,
ratio of graduates to post graduates in department E = 450 : 270 = 5 : 3 so total postgrads in E = (3/8)*400 = 150, but we are not given grads to postgrads ratio in females.Incorrect
Explanation:
in E, females are 400120 = 280,
ratio of graduates to post graduates in department E = 450 : 270 = 5 : 3 so total postgrads in E = (3/8)*400 = 150, but we are not given grads to postgrads ratio in females. 
Question 10 of 10
10. Question
1 pointsCategory: Quantitative AptitudeDirections (6 – 10): Study the following table, so values are missing. Complete the table by following instructions in each table and answer the questions that follow.
The table shows the employees in each department of an organization, the ratio of males to females in each department and the ratio of graduates to post graduates in each department.Departments Total
employeesRatio of
Males to FemalesRatio of Graduates
to Post GraduatesA 450 8 : 7 B 270 5 : 4 C 5 : 7 D 220 6 : 5 1 : 1 E 400 If ratio of graduates to post graduates in department B is 119 : 34 and ratio of graduates to post graduates in department E is equal to the ratio of employees in department A to employees in department B, then what is the number of total graduates in the company?
Correct
Explanation:
ratio of graduates to post graduates in department B is 119 : 34 = 7 : 2
ratio of graduates to post graduates in department E = 450 : 270 = 5 : 3 so
(4/9)*450 + (7/9)*270 + (5/12)*360 + (1/2)*220 + (5/8)*400Incorrect
Explanation:
ratio of graduates to post graduates in department B is 119 : 34 = 7 : 2
ratio of graduates to post graduates in department E = 450 : 270 = 5 : 3 so
(4/9)*450 + (7/9)*270 + (5/12)*360 + (1/2)*220 + (5/8)*400
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