Quiz Discussion

If the average of 5 consecutive integers is x then, find the average of next to next 5 consecutive integers.

Course Name: SQL -Structured Query Language

  • 1] x + 5
  • 2] x - 5
  • 3] x + 10
  • 4] x + 25
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A cricketer scored some runs in his 21st innings, as a result, his average runs increased by 3. If the present average run is 40, how many runs he scored in the final innings?

  • 1] 103
  • 2] 100
  • 3] 85
  • 4] 82
Solution
2
Discuss

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is-

  • 1] Rs. 3500
  • 2] Rs. 4000
  • 3] Rs. 4050
  • 4] Rs. 5000
Solution
3
Discuss

The average expenditure of a man for the first five months is Rs. 1200 and for the next seven months is Rs. 1300. If he saves Rs. 2900 in that year, his monthly average income is-

  • 1] Rs. 1500
  • 2] Rs. 1600
  • 3] Rs. 1700
  • 4] Rs. 1400
Solution
4
Discuss

The average of nine number is 50. The average of first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is :

  • 1] 30
  • 2] 34
  • 3] 24
  • 4] 44
Solution
5
Discuss

David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, mathematics, physics, chemistry and biology. What are his average marks?

  • 1] 65
  • 2] 69
  • 3] 75
  • 4] None of these
Solution
6
Discuss

Ten years ago, the ages of the members of a joint family of eight people added up to 231 years. Three years later, one member died at the age of 60 years and a child was born during the same year. After another three years, one more member died, again at 60, and a child was born during the same year. The current average of this eight-member joint family is nearest to-

  • 1] 21 years
  • 2] 22 years
  • 3] 23 years
  • 4] 24 years
  • 5] 25 years
Solution
7
Discuss

The average of the first five multiples of 9 is:

 

  • 1] 20
  • 2] 27
  • 3] 28
  • 4] 30
Solution
8
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
9
Discuss

Mean of 10 numbers is 30. Later on it was observed that numbers 15, 23 are wrongly taken as 51, 32. The correct mean is :

  • 1] 25.5
  • 2] 32
  • 3] 30
  • 4] 34.5
Solution
10
Discuss

When the average age of a couple and their son was 42 years, the son married and got a child after one year. When the child was 5 years old, the average age of the family became 36 years. What was the age of daughter-in- law at the time of their marriage ?

  • 1] 23 years
  • 2] 24 years
  • 3] 25 years
  • 4] 26 years
Solution
# Quiz