| 30403 | A train covers a distance of 20 km in 20 min | Medium | |
| 30407 | The length of a train and that of a platform are equal | Medium | |
| 30429 | Two trains of length 200 m and 280 m are running towards… | Medium | |
| 30435 | A and B together can do a work in 5 days | Medium | |
| 30455 | How many seconds will a 700 meter long train take to cross… | Medium | |
| 30457 | P and Q can complete a work in 40 days and 24… | Medium | |
| 30466 | Two identical machines have the ability to produce both nuts and bolts | Medium | |
| 30486 | one person Tharak speed with the current is 10 km/hr and the… | Medium | |
| 30510 | A boy runs 200 metres in 30 seconds | Medium | |
| 30544 | Excluding stoppages, the speed of a bus is 50 kmph and including… | Medium | |
| 30557 | A man can row upstream at 15 kmph and downstream at 25… | Medium | |
| 30565 | A man can row his boat with the stream at 22 km/h… | Medium | |
| 30596 | A 300 meter long train crosses a platform in 51 seconds while… | Medium | |
| 30608 | The speed of a train is 64 kmph | Medium | |
| 30612 | 12 buckets of water fill a tank when the capacity of each… | Medium | |
| 30614 | A train covers a certain distance at a speed of 230kmph in… | Medium | |
| 30625 | A man walks at a speed of 8 km/hr and runs at… | Medium | |
| 30641 | A man can row his boat with the stream at 26 km/h… | Medium | |
| 30648 | The length of a train and that of a platform are equal | Medium | |
| 30651 | A man can row upstream at 37 kmph and downstream at 53… | Medium | |
| 30659 | Two trains 200m and 300m long run at the speed of 70kmph… | Medium | |
| 30670 | Two goods trains each 500 m long are running in opposite directions… | Medium | |
| 30687 | Two trains are moving at 60 kmph and 70 kmph in opposite… | Medium | |
| 30697 | Anita, Indu and Geeta can do a piece of work in 18… | Medium | |
| 30736 | 13 buckets of water fill a tank when the capacity of each… | Medium | |
| 30747 | A man's speed with the current is 20 kmph and speed of… | Medium | |
| 30791 | A man's speed with the current is 15 km/hr and the speed… | Medium | |
| 30803 | A train speeds past a pole in 11 seconds and a platform… | Medium | |
| 30804 | Pavan travelled for 15 hours | Medium | |
| 30813 | A rower can row upstream at 7 km/hr and downstream at 12… | Medium | |
| 30820 | How many seconds will a 620 metre long train take to cross… | Medium | |
| 30827 | A train 280 m long passed a pole in 28 sec | Medium | |
| 30838 | A space shuttle orbits the earth at about 2 kilometers per second | Medium | |
| 30845 | A train 480 m in length crosses a telegraph post in 16… | Medium | |
| 30869 | A 600 meter long train crosses a signal post in 60 seconds | Medium | |
| 30874 | A goods train runs at the speed of 72 kmph and crosses… | Medium | |
| 30895 | Due to construction, the speed limit along an 5-mile section of highway… | Medium | |
| 30896 | Two trains 140 m and 170 m long run at the speed… | Medium | |
| 30906 | Maxwell leaves his home and walks toward Brad's house at the same… | Medium | |
| 30930 | How many seconds will a train 150 meters long take to cross… | Medium | |
| 30934 | Two pipes can fill a tank in 18 minutes and 30 minutes | Medium | |
| 30950 | Two trains, each 100 m long, moving in opposite directions, cross other… | Medium | |
| 30952 | A car started running at a speed of 30 km/hr and the… | Medium | |
| 30957 | How many seconds will a 220 metre long train take to cross… | Medium | |
| 30962 | A man can row upstream at 5 kmph and downstream at 25kmph… | Medium | |
| 30980 | 16 men can complete a piece of work in 25 days | Medium | |
| 30998 | P and Q can do a work in 30 days | Medium | |
| 31012 | Two goods trains each 820 m long are running in opposite directions… | Medium | |
| 31027 | How long does a train 90 m long traveling at 60 kmph… | Medium | |
| 31039 | A boy is travelling from his home to school at 5 km/hr… | Medium | |