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Quantitative Aptitude0%

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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

Arun drives and goes to his office. He has to reach office at 9 am. On the first day, he drove at a speed of 10 km/h and reached office at 10 am and was late. So next day he drove with a speed of 15 km/h and reached office 1 hr early i.e. at 8 am. At what speed he should drive to reach on exact time?

Correct

Explanation

We know if the speed is increased by 50% which is happening in this case 10 + (50% of 10) = 15
The speed is increased by 33.33% (According to product stability ratio)
So, 33.33% of time = 2 hour
Hence total time = 6 hour
⇒ so, distance = 10 × 6 = 60km
Thus, distance is to be covered in 5 hours
So, Speed = 60 / 5 = 12 km/h

Incorrect

Explanation

We know if the speed is increased by 50% which is happening in this case 10 + (50% of 10) = 15
The speed is increased by 33.33% (According to product stability ratio)
So, 33.33% of time = 2 hour
Hence total time = 6 hour
⇒ so, distance = 10 × 6 = 60km
Thus, distance is to be covered in 5 hours
So, Speed = 60 / 5 = 12 km/h

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

A and B started a partnership business. A invested 15000 and B invested 30000. After 6 months A invested some more so that they divide the profit equally in the year end. How much did A invest additionally?

Correct

Incorrect

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Tanya’s grandfather was 8 times older to her 16 years ago. He would be 3 times of her age 8 years from now. What was ratio of ages of Tanya and her grandfather 8 years ago?

Correct

Incorrect

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

Seven delegates are to address a meeting. If a particular speaker is to speak before another particular speaker, find the number of ways in which this can be arranged.

Correct

Explanation
Total no. of ways = 7!
Let A to speak before B
Now since half of the total cases in which A speaks before B
(Similarly, in half of the total cases B speaks before A)
Reqd. no. of ways =12×7! =2520

Incorrect

Explanation
Total no. of ways = 7!
Let A to speak before B
Now since half of the total cases in which A speaks before B
(Similarly, in half of the total cases B speaks before A)
Reqd. no. of ways =12×7! =2520

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

There were 35 students in a hostel. Due to the admission of 7 new students the expenses of the mess were increased by Rs.42 per day while the average expenditure per head diminished by Re 1. What was the original expenditure of the mess?

Correct

Incorrect

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

Q. (6-10) In the following questions, two equations numbered are given in variables x and y. You have to solve both the equations and find out the relationship between x and y. Then give answer accordingly-

Q. (6-10) In the following questions, two equations numbered are given in variables x and y. You have to solve both the equations and find out the relationship between x and y. Then give answer accordingly-

Q. (6-10) In the following questions, two equations numbered are given in variables x and y. You have to solve both the equations and find out the relationship between x and y. Then give answer accordingly-

Q. (6-10) In the following questions, two equations numbered are given in variables x and y. You have to solve both the equations and find out the relationship between x and y. Then give answer accordingly-

Q. (6-10) In the following questions, two equations numbered are given in variables x and y. You have to solve both the equations and find out the relationship between x and y. Then give answer accordingly-