Question
If the R2Â value for a regression line is
0.70 for 50 observations. What is the adjusted R-square value if the number of independent variables are 9?Solution
Â
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...
A boy goes to school at 7 km/Hr and return at a speed of 6 km/hr. If he takes 13 hrs in all. Find the distance from his village to school?
Two trains, A and B, are moving in opposite directions at speeds of 45 km/h and 60 km/h, respectively. The lengths of the trains are 120 meters and 150 ...
Average speed of ‘A’ during a 24-hour journey is 36 km/h. If he covered the first 150 km of his journey at a speed of 15 km/h, then find the speed a...
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 240 meters long passes a platform in 24 seconds and a pole in 16 seconds. Find the length of the platform.
Robert started his journey on Monday and travelled at constant speed. Next day by 10.30 am, he had covered 4/7 of his whole journey and on the same day ...
A motor car travels a distance of 180 km at the speed of 20 kmph. If it covers the next 100 km of its journey at the speed of 20 kmph and last 40 km of ...
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...
- 'C' takes 50 minutes more than 'D' to cover 'x' km. If the speed of 'C' and 'D' is 8 km/h and 10 km/h, respectively, find the value of 'x'.
