Question
The zero level from which the land elevations and sea
depths are measured in surveying in India is calledSolution
The mean value of the low spring tide water mark near Chennai is reckoned as the mean sea level in India. It serves as datum level i.e. the base or zero level from which the land elevations and sea depths are measured.
A boat goes downstream for 44 km and immediately return. It took the boat twice as long as to make the return trip. If the speed of river flow were twic...
A car travels from point A to point B in 4 hours, covering a distance of 180 km. On the return journey, the speed is reduced by 20%. How much time does ...
In a 500-metre race, ‘A’ beats ‘B’ by 10 seconds or 50 metres. Find the time taken by ‘B’ to finish the race.
A boy goes to school with a speed of 70 km/h and comes back with a speed of 55 km/h. find his average speed?
‘A’ and ‘B’ started moving towards each other at same time with a speed of 15 km/hr and 10 km/hr, respectively. If the distance covered by ‘A�...
Car M takes 5 hours to travel from point A to B. It would have taken 6 hours, if the same car had travelled the same distance at a speed which was 15 km...
Travelling at his usual speed, a man reaches his destination in 20 hours. If he reduces his speed by (1/12) , then he covers 100 km less in the same tim...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 25 km/hr and 20 km/hr, respectively. If the di...
Train B crosses Train A, which is approaching from the opposite direction, in 28 seconds. If the combined length of Train A and Train B is 2240 meters, ...
The distance between two stations is 1520 km. Train A takes 9 hours longer than Train B to cover this distance. If Train B travels 72 km/h faster than T...
Relevant for Exams:
