Class VII

The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class
  1. 47.55 kg
  2. 48 kg
  3. 48.55 kg
  4. 49.25 kg
If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:
  1. 53.33
  2. 54.68
  3. 55
  4. None of these
Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?
  1. 2 : 3 : 4
  2. 6 : 7 : 8
  3. 6 : 8 : 9
  4. None of these
The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
  1. 8 : 9
  2. 17 : 18
  3. 21 : 22
  4. Cannot be determined
The fourth proportional to 5, 8, 15 is :
  1. 18
  2. 24
  3. 19
  4. 20
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP