Question
Two numbers are in the ratio 8:5. After adding 4 and 7
to them respectively the ratio becomes 2:3. Find the bigger number.Solution
Let the two number’s be 8x and 5x. According to the question, => (8x+4)/(5x+7) = 2/3 => 24x + 12 = 10x + 14 => x = 1/7 So, the bigger number will be, => 8x = 8 × (1/7) = 8/7
Which direction does the Nile River flow?
Consider the following statements The South-West monsoon originates in India due to:
1. low pressure in the Punjab plain.
2. high pressure...
The largest coral reef in the world is found off the coast of which country.
Tungabhadra and Bhima rivers are tributaries of which river?
Deserts account for approximately what percentage of the Earth’s land surface?
To achieve a geosynchronous Earth orbit, a spacecraft should initially be launched into an elliptical orbit with what approximate apoapsis altitude?
The Khyber Pass is located in which country?
What phenomenon occurs during Equinox days?
Consider the following events in the geological history of India:
1. Formation of Gondwana coal
2. Formation of Himalayas
3....
The "Great Barrier Reef" is located off the coast of which country?