Quiz Discussion

The average age of P, Q and R is 15 years more than R's age. If the total age of P and Q together is 39 years, then R's age is ?

Course Name: Quantitative Aptitude

  • 1] 12 years
  • 2] 24 years
  • 3] 16 years
  • 4] 14 years
Solution
No Solution Present Yet

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# Quiz
1
Discuss

30 pens and 75 pencils altogether were purchased for Rs. 510. If the average price of a pencil was Rs. 2, what was the average price of a pen ?

  • 1] Rs. 9
  • 2] Rs. 10
  • 3] Rs. 11
  • 4] Rs. 12
Solution
2
Discuss

Average of a, b, and c is 11; average of c, d and e is 17; average of e and f is 22 and average of e and c is 17. Find out the average of a, b, c, d, e and f.

  • 1]

    \(15\frac{2}{3}\)

  • 2]

    \(18\frac{1}{2}\)

  • 3]

    \(16\frac{1}{2}\)

  • 4]

    None of these

Solution
3
Discuss

A man has 'n' magical eggs whose average weight is 'k' gm. Each of the 'n' eggs produces 'n' eggs next day such that the average weight of 'n' eggs produced is same as that of the parental egg for each 'n' groups individually i.e. each egg produces 'n' eggs of next generation and average weight of all the 'n' eggs of next generation is same as the weight of the mother egg. This process is continued without any change in pattern. What is the total weight of all the eggs of rth generation, where the initial number of eggs with man are considered as the eggs of first generation.

  • 1] rnk
  • 2] rnk
  • 3] nkr
  • 4] nrk
  • 5] None of these
Solution
4
Discuss

The average weight of 8 men is increased by 1.5 kg when one of the men, who weight 65 kg is replaced by a new man. The weight of the new man is-

  • 1] 70 kg
  • 2] 74 kg
  • 3] 76 kg
  • 4] 77 kg
Solution
5
Discuss

A train covers the first 16 km at a speed of 20 km per hour another 20 km at 40 km per hour and the last 10 km at 15 km per hour. Find the average speed for the entire journey.

 

  • 1]

    24 km

  • 2]

    26 km

  • 3]

    21 km

  • 4]

    km

Solution
6
Discuss

There are 30 students in a class. The average age of first 10 students is 12.5 years. The average age of the remaining 20 students is 13.1 years. The average age (in years) of the students of the whole class is :

  • 1] 12.5 years
  • 2] 12.7 years
  • 3] 12.8 years
  • 4] 12.9 years
Solution
7
Discuss

The average age of a family with 5 members is 28. If one of the 5 members of age 20 is excluded the average age of the family becomes -

  • 1] 25
  • 2] 20
  • 3] 30
  • 4] 24
Solution
8
Discuss

The average of first five multiples of 3 is:

  • 1] 9
  • 2] 10
  • 3] 8
  • 4] 11
Solution
9
Discuss

The average age of 30 students is 9 years. If the age of their teacher is included, the average age becomes 10 years. The age of the teacher (in years) is :

  • 1] 27
  • 2] 31
  • 3] 35
  • 4] 40
Solution
10
Discuss

The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4?

  • 1] 72
  • 2] 74
  • 3] 70
  • 4] 76
Solution
# Quiz