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Question 1 of 10
1. Question
1 pointsCategory: Quantitative AptitudeQ. (12) in a bag there are three types of colored balls of K, Nand M colors. The probability of selecting one K ball out of the total ball is 1/2 and the probability of selecting one M ball out of the total ball is 2/7.The number of N balls in the bag is 6.
If all the ball are numbered starting from 1, 2, 3, â€¦â€¦â€¦â€¦â€¦.and so on then what is the probability of selecting one ball which is numbered as a multiple of 3 or 7 out of the total balls.
Correct
Answer : 2. 3/7
Explanation
Incorrect
Answer : 2. 3/7
Explanation

Question 2 of 10
2. Question
1 pointsCategory: Quantitative AptitudeQ. (12) in a bag there are three types of colored balls of K, Nand M colors. The probability of selecting one K ball out of the total ball is 1/2 and the probability of selecting one M ball out of the total ball is 2/7.The number of N balls in the bag is 6.
what are the total number of balls in the bag?
Correct
Answer : 5. 28
Explanation
Check solution of 1st questionIncorrect
Answer : 5. 28
Explanation
Check solution of 1st question 
Question 3 of 10
3. Question
1 pointsCategory: Quantitative AptitudeQ. (37) there are two colleges – college A and College B. Both colleges have four different departments, viz Mathematics Department, Geography Department, Physics Department and Chemistry Department. In College A there are total 1400 staff. College B has forty per cent more staff than College A, Twenty five per cent of the staff of College A are in Mathematics Department. One fifth of the total number of staff of College A are in Chemistry Department. Thirty five per cent of the staff of College A are in Geography Department, Remaining staff of College A are in Physics Department, The total number of staff in Geography Department is 686. Forty five per cent of the staff of College B are in Chemistry Department. Fifteen per cent of the total staff of College B are in Mathematics Department. The remaining staff of College B are in Physics Department.
The total number of staff in Chemistry Department of College A is approximately what per Cent of the total number of staff of College B?
Correct
Answer : 1. 14%
Incorrect
Answer : 1. 14%

Question 4 of 10
4. Question
1 pointsCategory: Quantitative AptitudeQ. (37) there are two colleges – college A and College B. Both colleges have four different departments, viz Mathematics Department, Geography Department, Physics Department and Chemistry Department. In College A there are total 1400 staff. College B has forty per cent more staff than College A, Twenty five per cent of the staff of College A are in Mathematics Department. One fifth of the total number of staff of College A are in Chemistry Department. Thirty five per cent of the staff of College A are in Geography Department, Remaining staff of College A are in Physics Department, The total number of staff in Geography Department is 686. Forty five per cent of the staff of College B are in Chemistry Department. Fifteen per cent of the total staff of College B are in Mathematics Department. The remaining staff of College B are in Physics Department.
what is the difference between the total numbers of staff in Chemistry Department of College B and the total number of staff in Physics and Chemistry Departments together of College A?
Correct
Answer : 3. 322
Explanation
Total number of staff in Chemistry
Department of college B= 882
Total number of staff in Physics and
Chemistry Departments in college A
and B together = 280 + 280 = 560
So, Difference = 882 – 560 = 322Incorrect
Answer : 3. 322
Explanation
Total number of staff in Chemistry
Department of college B= 882
Total number of staff in Physics and
Chemistry Departments in college A
and B together = 280 + 280 = 560
So, Difference = 882 – 560 = 322 
Question 5 of 10
5. Question
1 pointsCategory: Quantitative AptitudeQ. (37) there are two colleges – college A and College B. Both colleges have four different departments, viz Mathematics Department, Geography Department, Physics Department and Chemistry Department. In College A there are total 1400 staff. College B has forty per cent more staff than College A, Twenty five per cent of the staff of College A are in Mathematics Department. One fifth of the total number of staff of College A are in Chemistry Department. Thirty five per cent of the staff of College A are in Geography Department, Remaining staff of College A are in Physics Department, The total number of staff in Geography Department is 686. Forty five per cent of the staff of College B are in Chemistry Department. Fifteen per cent of the total staff of College B are in Mathematics Department. The remaining staff of College B are in Physics Department.
The total number of staff in Geography Departments of both the colleges together is what Per cent of the total number of staff in College A?
Correct
Answer : 3. 49%
Incorrect
Answer : 3. 49%

Question 6 of 10
6. Question
1 pointsCategory: Quantitative AptitudeQ. (37) there are two colleges – college A and College B. Both colleges have four different departments, viz Mathematics Department, Geography Department, Physics Department and Chemistry Department. In College A there are total 1400 staff. College B has forty per cent more staff than College A, Twenty five per cent of the staff of College A are in Mathematics Department. One fifth of the total number of staff of College A are in Chemistry Department. Thirty five per cent of the staff of College A are in Geography Department, Remaining staff of College A are in Physics Department, The total number of staff in Geography Department is 686. Forty five per cent of the staff of College B are in Chemistry Department. Fifteen per cent of the total staff of College B are in Mathematics Department. The remaining staff of College B are in Physics Department.
If the monthly salary of a staff member in Mathematics Department is 9500, what will be the total amount paid by college B to the entire staff in Mathematics Department?
Correct
Answer : 5. 27.93 lakh
Explanation
Total amount paid by college B to the
staff of Mathematics Department
= 294 Ã— 9500 = 2793000 = 27.93 lakhIncorrect
Answer : 5. 27.93 lakh
Explanation
Total amount paid by college B to the
staff of Mathematics Department
= 294 Ã— 9500 = 2793000 = 27.93 lakh 
Question 7 of 10
7. Question
1 pointsCategory: Quantitative AptitudeQ. (37) there are two colleges – college A and College B. Both colleges have four different departments, viz Mathematics Department, Geography Department, Physics Department and Chemistry Department. In College A there are total 1400 staff. College B has forty per cent more staff than College A, Twenty five per cent of the staff of College A are in Mathematics Department. One fifth of the total number of staff of College A are in Chemistry Department. Thirty five per cent of the staff of College A are in Geography Department, Remaining staff of College A are in Physics Department, The total number of staff in Geography Department is 686. Forty five per cent of the staff of College B are in Chemistry Department. Fifteen per cent of the total staff of College B are in Mathematics Department. The remaining staff of College B are in Physics Department.
What is the ratio of the number of staff in Geography Department of College B to the total number of staff in Mathematics Department of College A?
Correct
Answer : 2. 14:25
Explanation
Reqd ratio = 196/350 =14/25 = 14:25Incorrect
Answer : 2. 14:25
Explanation
Reqd ratio = 196/350 =14/25 = 14:25 
Question 8 of 10
8. Question
1 pointsCategory: Quantitative AptitudeThere are 3 people â€“ A, B and C. Probability that A speaks truth is 3/10, probability that B speaks truth is 3/7 and probability that C speaks truth is 5/6. For a particular question asked, at most 2 people speak truth. All people answer to a particular question asked.
What is the probability that B will speak truth for a particular question asked?
Correct
Answer : 1. 9/28
Incorrect
Answer : 1. 9/28

Question 9 of 10
9. Question
1 pointsCategory: Quantitative AptitudeThere are 3 people â€“ A, B and C. Probability that A speaks truth is 3/10, probability that B speaks truth is 3/7 and probability that C speaks truth is 5/6. For a particular question asked, at most 2 people speak truth. All people answer to a particular question asked.
A speaks truth only when B does not speak truth, then what is the probability that C does not speak truth on a question?
Correct
Answer: 4. 11/140
Explanation
Case 1: B does not speak truth, A speaks truth so A speaks truth here
Probability that C does not speak truth = 3/10 * (1 â€“ 3/7) * (1 5/6) = 1/35
Case 2: B speaks truth so A does not speak truth here
Probability that C does not speak truth = (1 3/10) * 3/7 * (1 5/6) = 1/20 so total = 1/35 + 1/20 = 11/140Incorrect
Answer: 4. 11/140
Explanation
Case 1: B does not speak truth, A speaks truth so A speaks truth here
Probability that C does not speak truth = 3/10 * (1 â€“ 3/7) * (1 5/6) = 1/35
Case 2: B speaks truth so A does not speak truth here
Probability that C does not speak truth = (1 3/10) * 3/7 * (1 5/6) = 1/20 so total = 1/35 + 1/20 = 11/140 
Question 10 of 10
10. Question
1 pointsCategory: Quantitative AptitudeM alone would take 8 h more to complete the job than if both M and N worked together. If N worked alone, he took 4 Â½ hour more to complete the job than if M and N worked together. Than if M and N worked together. What time would they take if both M and N worked together?
Correct
Answer : 4. 6 days
Incorrect
Answer : 4. 6 days
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