| 30006 | A can finish a work in 18 days and B can do… | Medium | |
| 30015 | A train 100 meters long completely crosses a 300 meters long bridge… | Medium | |
| 30022 | Mangala completes a piece of work in 30 days, Raju completes the… | Medium | |
| 30023 | In what time will a train 120 m long cross an electric… | Medium | |
| 30032 | A person can swim in still water at 4 km/h | Medium | |
| 30047 | A 300 m long train crosses a platform in 39 sec while… | Medium | |
| 30063 | How much time does a train 150 metres long running at 90… | Medium | |
| 30072 | Working alone, machine X can manufacture 1,000 nails in 12 hours | Medium | |
| 30084 | A man swims downstream 96 km and upstream 64 km taking 4… | Medium | |
| 30104 | In what time will a train 175 m long cross an electric… | Medium | |
| 30114 | The speed of a boat in still water is 12 km/hr and… | Medium | |
| 30129 | The speed of a boat in still water in 42 km/hr and… | Medium | |
| 30133 | A train running at the speed of 70 km/hr crosses a pole… | Medium | |
| 30136 | Two trains of equal lengths take 10 sec and 8 sec respectively… | Medium | |
| 30142 | A bike covers a certain distance at the speed of 66km/h in… | Medium | |
| 30173 | Maxwell leaves his home and walks toward Brad's house at the same… | Medium | |
| 30176 | An woman swims downstream 81 km and upstream 36 km taking 9… | Medium | |
| 30177 | A train speeds past a pole in 15 sec and a platform… | Medium | |
| 30197 | A train speeds past a pole in 15 seconds and a platform… | Medium | |
| 30235 | Three pipes, A, B, & C are attached to a tank | Medium | |
| 30248 | 8 identical machines, working alone and at their constant rates, take 6… | Medium | |
| 30250 | A can do a work in 8 days | Medium | |
| 30257 | Tap 'A' can fill the tank completely in 6 hrs while tap… | Medium | |
| 30259 | A train passes a station platform in 18 seconds and a man… | Medium | |
| 30270 | The length of a train and that of a platform are equal | Medium | |
| 30293 | A person travels equal distances with speeds of 3 km/hr, 4 km/hr… | Medium | |
| 30373 | A train 150 m long pass a telegraph pole in 5 seconds | Medium | |
| 30384 | Express a speed of 36 kmph in meters per second | Medium | |
| 30392 | A thief steals at a car at 3.30 p.m | Medium | |
| 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 | |