| 81373 | A can do a piece of work in 4 days | Medium | |
| 81401 | A train 220 m long is running with a speed of 60… | Medium | |
| 81403 | Two trains 110 m and 160 m long run at the speed… | Medium | |
| 81430 | A train 100m long passes a man, running at 5 km/hr in… | Medium | |
| 81435 | A man rows his boat 85 km downstream and 25 km upstream… | Medium | |
| 81440 | A boat can move upstream at 50 kmph and downstream at 20… | Medium | |
| 81468 | A wheel of a car of radius 21 cms is rotating at… | Medium | |
| 81485 | Jack and Christina are standing 240 feet apart on a level surface | Medium | |
| 81497 | Two trains start at same time from two stations and proceed towards… | Medium | |
| 81500 | Two pipes A and B can fill a tank in 20 and… | Medium | |
| 81508 | A boat running downstream covers a distance of 16 km in 4… | Medium | |
| 81535 | A man can row at 6 kmph in still water | Medium | |
| 81541 | Two trains of length 100 m and 200 m are running towards… | Medium | |
| 81543 | A train passes a platform in 32 seconds | Medium | |
| 81553 | A train 140 m long, running with a speed of 63 km/hr… | Medium | |
| 81574 | A certain number of workers can do a work in 35 days | Medium | |
| 81577 | Two pipes can fill a tank in 20 and 24 minutes respectively… | Medium | |
| 81579 | A train moves fast a telegraph post and a bridge 250 m… | Medium | |
| 81583 | A train 240 m long is running at a speed of 60… | Medium | |
| 81589 | Car A is 16 miles behind car B, which is traveling in… | Medium | |
| 81599 | A can do a job in 18 days and B can do… | Medium | |
| 81601 | A train 125 m long passes a man, running at 5 km/hr… | Medium | |
| 81607 | The length of a bridge in meters, which a train 120-meters long… | Medium | |
| 81638 | One hour before John started walking from P to Q, a distance… | Medium | |
| 81688 | It takes printer A 4 more minutes more than printer B to… | Medium | |
| 81707 | In one hour a boat goes 11 km long the stream and… | Medium | |
| 81712 | Pipe A can fill a tank in 3 hours | Medium | |
| 81721 | A train 560 m long, running with a speed of 63 km/hr… | Medium | |
| 81728 | A car finishes a journey in ten hours at the speed of… | Medium | |
| 81734 | X can do a piece of work in 40days | Medium | |
| 81748 | There are three foam generators in the factory, each of the first… | Medium | |
| 81753 | A person walking at 4 Kmph reaches his office 8 minutes late | Medium | |
| 81756 | A goods train runs at the speed of 72 kmph and crosses… | Medium | |
| 81770 | A man can row with a speed of 12 kmph in still… | Medium | |
| 81773 | Walking at 5/6th of its usual speed a cab is 15mnts late | Medium | |
| 81788 | What is the length of a bridge (in meters), which a train… | Medium | |
| 81820 | Two boats are heading towards each other at constant speeds of 5… | Medium | |
| 81827 | A train running at the speed of 72 km/hr crosses a pole… | Medium | |
| 81832 | A man in a train notices that he can count 51 telephone… | Medium | |
| 81864 | Three taps A,B and C can fill a tank in 10,20 and… | Medium | |
| 81878 | 10 men, working 5 hours a day can complete a work in… | Medium | |
| 81909 | A train running at the speed of 180 km/hr crosses a pole… | Medium | |
| 81915 | A man can row upstream at 40 kmph and downstream at 52… | Medium | |
| 81918 | Pipe A fills a tank in 6 minutes | Medium | |
| 81943 | If a car had traveled 40 kmh faster than it actually did… | Medium | |
| 81955 | A alone can finish a work in 10 days which B alone… | Medium | |
| 81966 | 30 men can do a work in 40 days | Medium | |
| 81970 | A man's speed with the current is 18 km/hr and the speed… | Medium | |
| 81972 | A train 350 m long is running at a speed of 68… | Medium | |
| 81992 | A car traveling at a certain constant speed takes 2 seconds longer… | Medium | |