Question
Human Development Index comprises literacy rates, life
expectancy at birth and _______.Solution
HDI combines three dimensions: A long and healthy life: Life expectancy at birth, Education index: Mean years of schooling and Expected years of schooling and a decent Standard of living.
- Speeds of train 'A' and train 'B' are in the ratio 2:3, respectively. Train 'B' can completely overtake train 'A' in 150 seconds. If lengths of train 'A' a...
Train ‘A’ is travelling with a speed of 108 km/hr and crosses a vertical pole in 5 seconds. Train ‘B’ is 40 metres longer than ‘A’ and trav...
- Two cars ‘C’ and ‘D’ started from places ‘L’ and ‘M’ towards each other at the same time. When they crossed after 10 hours, car ‘D’ had...
Train A running at a speed of 41 km/hr crosses train B in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
Train 'M' takes 2 hours less than Train 'N' to travel a distance of 150 km. The speed of Train 'M' is 20 km/h more than that of Train 'N'. What is the t...
A train travelling at the speed of 72 km/hr crosses another train, having 40 meters less length and travelling in opposite direction at the speed of 54 ...
A train with a length of (p + 60) meters takes 30 seconds to cross a platform that is (q + 60) meters long while traveling at a speed of 20 meters per s...
- Length of a train, whose speed is 48 km/h, is 240 metres. Find the time taken (in seconds) by train to cross a bridge of length 360 metres.
Find the time (in seconds) taken by a 400 metre long train which is moving at a speed of 90 km/h, to cross a 500 metre long bridge.
Train ‘X’ is travelling with a speed of 90 km/hr and crosses a vertical pole in 6 seconds. Train ‘Y’ is 30 metres longer than ‘X’ and trave...
