Questions by Saranya Sivanandham

Questions by Saranya Sivanandham

The table below shows the age of some participants in a quiz competition, and the number of questions they could answer correctly: Age (years) (x) 15 21 17 22 16 19 18 Number of questions they could answer

asked Dec 6, 2017

2 answers

4 votes

87.9k views

A deposit can be filled by two keys. One poured 140 liters in 8 minutes and the other 130 liters in 7 minutes. How long it will take to fill the tank, drain being empty and closed?, if the two keys are

asked Oct 3, 2017

1 answer

1 vote

13.5k views

Why is the ketboard calledQWERTY

asked May 26, 2017

2 answers

1 vote

166k views

Page:

« prev
1
2
3

Search QAmmunity.org