Quiz Discussion

The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the weight of the bag?

Course Name: Quantitative Aptitude

  • 1] 14.8 g
  • 2] 14.4 g
  • 3] 15 g
  • 4] 18.6 g
  • 5] None of these
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The average of marks in Mathematics for 5 students was found to do 50. Later, it was discovered that in the case of one student the marks 48 were misread as 84. The correct average is :

  • 1] 40.2
  • 2] 40.8
  • 3] 42.8
  • 4] 48.2
Solution
2
Discuss

Four years ago, the average age of a family of four persons was 18 years. During this period, a baby was born. Today if the average age of the family is still 18 years, the age of the baby is

  • 1] 1.2 years
  • 2] 2 years
  • 3] 2.5 years
  • 4] 3 years
Solution
3
Discuss

The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.

 

  • 1] 125 km/hr
  • 2] 75 km/hr
  • 3] 135 km/hr
  • 4] 120 km/hr
Solution
4
Discuss

19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more than the average expenditure of all the 19. What was the total money spent by them.

  • 1] 1628.4
  • 2] 1534
  • 3] 1492
  • 4] 1496
  • 5] None of these
Solution
5
Discuss

What is the average of the first six (positive) odd number each of which is divisible by 7?

  • 1] 42
  • 2] 43
  • 3] 47
  • 4] 49
Solution
6
Discuss

A passenger travels from Delhi to Merut at a speed of 30 kmph and return with a speed of 60 kmph. What is the average speed?

  • 1] 40
  • 2] 45
  • 3] 50
  • 4] 48
Solution
7
Discuss

The average weight of A, B and C is 40 kgs. Weight of C is 24 kgs more than A’s weight and 3 kgs less than B’s weight. What will be the average weight of A, B, C and D, if D weights 15 kgs less than C?

  • 1] 42 kgs
  • 2] 40 kgs
  • 3] 36 kgs
  • 4] 38 kgs
Solution
8
Discuss

Nine persons went to a hotel for taking their meals. Eight of them spent Rs. 12 each on their meals and the ninth spent Rs. 8 more than the average expenditure of all the nine. What was the total money spent by them.

  • 1] Rs. 115
  • 2] Rs. 116
  • 3] Rs. 117
  • 4] Rs. 118
Solution
9
Discuss

Find the average of first 97 natural numbers.

 

  • 1] 47
  • 2] 37
  • 3] 48
  • 4] 49
  • 5] 49.5
Solution
10
Discuss

The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average?

 

  • 1] 122
  • 2] 120
  • 3] 125
  • 4] 121
Solution
# Quiz