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Phosphorous (P) (H2PO4)-, (HPO4)-2, PO-3 Sulfur (S) (SO4)-2 Boron (B) (BO3)-
A cyclist travels from town A to town B at a speed of 20 km/h and returns to town A at a speed of 30 km/h. If the total distance between the towns is 12...
A train leaves Station X at 6:00 AM and travels towards Station Y at 60 km/hr. Another train leaves Station Y at 7:00 AM and travels towards Station X a...
If the sum of upstream and downstream speed is 32 km/hr and the speed of the current is 6 km/hr. Then find time taken to cover 44 km in downward?
If a man cycles at 10 km/hr, then he arrives at a certain place at 1 p.m .If he cycles at 15 km/hr, he will arrive at the same place at 11 am At what sp...
A train covers a distance of 120 km at the speed of 75 km/h the next 63 km distance covers with a speed of 45 km/h and last 90 km with the speed of 40 k...
Average speed of ‘A’ during a 30-hour journey is 34 km/h. If he covered the first 180 km of his journey at a speed of 20 km/h, then find the speed a...
Two cars, 'A' and 'B,' are heading towards each other on a straight road. Car 'A' is traveling at a speed of 56 km/h, while Car 'B' is moving at 34 km/h...
The speed of a bike increases by 5 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 20 km, the find the total distance tra...
Sheetal rides a bike at an average speed of 40 kmph and reaches her destination in 5 hours. Hemlata covers the same distance in 4 hrs. If Sheetal increa...
A train is travelling at the rate of 126 km/hr. How many seconds it will take to cover a distance of 7/8 km?