Question
What is the biggest advantage of interaction between the
teacher and the students?Solution
Learning takes place best when students have opportunities to express ideas and get feedback from teachers.
A person travels a certain distance at 8 km/hr and reaches 1 hr 30 minutes late. If he travels at 10 km/hr, he reaches 1 hr 30 minutes earlier. The dist...
If a car runs at 30 km/hr, it reaches its destination late by 15 minutes but if runs at 45 km/hr it is late by 7 minutes. What is the correct time for t...
Laura drives to work at 12 km/h and comes back at 9 km/h. The total travel time for both trips is 7 hours. What is the distance from her home to work?
Bike X travels 180 km in t hours and bike Y travels 90 km in (t/2) hours. If bike X covers 150 km in 2.5 hours, then how many kilometres will bike Y tra...
The speed ratio of Y and Z is 5 : 4. If Y increases his speed by 25%, he can cover 300 km in 4 hours. How long will Z take to travel 192 km?
Axar covered 1/4th of the total distance at a speed of 25 km/hr. Then, he covered (1/2) of the remaining distance at a speed of 30 km/hr, and the rest o...
Buses A and B are moving around a circular ground of radius 210 m. If the speeds of the buses A and B are 10 m/sec and 15 m/sec respectively, then what ...
- A man starts his journey from point ‘P’ to point ‘Q’. He covers (1/5)th of the total distance in 2 hours and the rest in 8 hours. If he takes 10 ho...
A bike covers 60 km with a speed of 20 km/hr. Find the speed of the bike for the next 50 km journey so that the average speed of the whole journey will ...
'A' and 'B' are running on a circular track of length 4000 metres. 'A' is running clockwise at 8 m/s while 'B' is running anti-clockwise at 10 m/s. Find...
