A car travels 60 km in 1 hr 30 min. How long will it take to cover a distance of 100 km at the same speed?

Nidhi purchased two sarees for Rs 2150 each. She sold one saree at a loss of 8% and the other at a gain. If she had a gain of Rs 1230 on the whole transaction find the selling price of the second saree?

Gopi sold a watch to Ibrahim at 12% gain and Ibrahim sold it to John at a loss of 5%. If John paid 1330 then find how much did Gopi sold it?

After covering 3/4 of my journey i still have 15 km left. what is the total distance of the journey?

Harish purchased 50 dozen bananas for Rs. 135. five dozen bananas could not be sold because they were rotten. At what prize per dozen should Harish sell the remaining bananas so that he could make a profit of 20%?