# Quiz Discussion

A student finds the average of 10, 2 digits numbers. If the digits of one of the numbers interchanged, the average increases by 3.6. The difference between the digits of the 2 digits number is :

Course Name: Quantitative Aptitude

• 1] 4
• 2] 3
• 3] 2
• 4] 5
##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in the month of June beginning with a Sunday?

• 1] 276
• 2] 280
• 3] 285
• 4] 250
##### Solution
2
Discuss

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?

• 1] Rs. 450
• 2] Rs. 320
• 3] Rs. 550
• 4] Rs. 420
##### Solution
3
Discuss

Five years ago the average age of A, B, C, D was 45 years. By including X the present average of all the five is 49 years. Them the present age of X is-

• 1] 40 years
• 2] 45 years
• 3] 48 years
• 4] 64 years
##### Solution
4
Discuss

The average temperature for the first four days of a week is 40.2° C and that of the last four days is 41.3° C. If the average temperature for the whole 40.6°C, then the temperature on the fourth day is-

• 1] 40.8° C
• 2] 41.3° C
• 3] 41.8° C
• 4] 38.5° C
##### Solution
5
Discuss

The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 kg. What was the teacher’s weight?

• 1] 86 kg
• 2] 64 kg
• 3] 72 kg
• 4] 84 kg
##### Solution
6
Discuss

One-fourth of certain journey is covered at the rate of 25 km/h, one-third at the rate of 30 km/h and the rest at 50 km/h. Find the average speed for the whole journey.

• 1]

600/53 km/h

• 2]

1200/53 km/h

• 3]

1800/53 km/h

• 4]

1600/53 km/h

• 5]

None of these

##### Solution
7
Discuss

Mukesh has twice as much money as Soham. Soham has 50% more money than Pankaj. If the average money with them is Rs. 110, then Mukesh has :

• 1] Rs. 155
• 2] Rs. 160
• 3] Rs. 180
• 4] Rs. 175
##### Solution
8
Discuss

There were 35 students in a hostel. Due to the admission of 7 new student, 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?

• 1]

432

• 2]

442

• 3]

420

• 4]

415

##### Solution
9
Discuss

The average of 6 numbers is 7. The average of three numbers of them is 5. What will be the average of remaining numbers?

• 1] 15
• 2] 30
• 3] 9
• 4] 42
##### Solution
10
Discuss

The average of the first five multiples of 9 is:

• 1] 20
• 2] 27
• 3] 28
• 4] 30
# Quiz