Ravi cycles 3 km towards the east and takes the first right turn and cycles for another 5km to point A. From point A he takes a left turn and cycles 7 km to point B, after covering another 4 km he rests for a while. How much distance has Ravi covered from point A till the time he stops ?

Five-sixth of a number is 720. What will 45% of that number be?

Vishakha spent Rs. 68,357’ on the renovation for her home, Rs.25,675 on buying music system and the remaining 28% of the total amount she had as cash with her. What was the total amount?

The ages of Sulekha and Arunima are in the ratio of 9 : 8 respectively. After 5 years the ratio of their ages will be 10 : 9. What is the difference in years between their ages ?

42 women can do a piece of work in 18 days. How many women would be required to do the same work in 21 days?

Statements: All sharks are fishes. Some fishes are birds. All birds are trees. All trees are insects.

Conclusions:

I. Some insects are sharks.

II. Some sharks are trees.

III. All insects are birds.

IV. Some birds are sharks.