Spinning 3 hours daily, Kanta can spin 2 kg cotton-balls in 12 days. Spinning 4 hours daily, how many days will she take to spin 10 kg cotton balls?

A man can work 8 hours daily and finishes a work in 12 days. If he works 6 hrs daily, in how many days will the same work be finished?

A man can work 8 hours daily and finishes a work in 12 days. If he works 6 hrs daily, in how many days will the same work be finished?

If 15 men can complete a work in 16 days by working 8 hours daily, then in how many days will 10 men complete the work by working 12 hours daily?

Anoop can complete a piefe of work in 10 dasy working for 8 horus a day. Swaroop can comlete in in 12 days working 10 hours a dya. How many days will take to complete it if they work 12 a day ?

A wheel is spinning at 2 radians/second. How many seconds will it take to make 10 complete rotations?