The average age of three boys is 15 years. if their age are in ration 3:5:7, the age of the youngest boy is:
- 21 years
- 18 years
- 9 years
- none
Explanation
ND29-5-2023
Related MCQs
- 40
- 30
- 35
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 30
- 25
- 35
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Sum of all observations × Total number of observations
- Sum of all observations ÷ Total number of observations
- Total number of observations ÷ Sum of all observations
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 16
- 17
- 18
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 41
- 39
- 37
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
