Question
3 years ago, the average age of a family of 5 members
was 17 years. A baby being born, the average age of the family is 17 years. The present age of the baby is:Solution
Total age of 5 members now = (17 * 5 + 3 * 5) years = 100 years. Total age of 6 members now = (17 * 6) years = 102 years. Age of the baby = (102 - 100) years = 2 years.
Consider the following pairs:
Which of the pairs give...
Which of the following are reasons for frequent floods in regions surrounding Assam?
1. Brahmaputra River unloads huge sediment in the region bro...
Which of the following statement(s) support the hypothesis that the Himalayan region is still tectonically active?
1. The Himalayas are continuin...
Which of the following Indian state has the largest coastline?
Among the following cities, which one lies on a longitude closest to that of Delhi?
In India, in which one of the following types of forests is teak a dominant tree species?Â
Which of the following pair of mountain passes and the states/UTs they are located in, are correctly matched?Â
Study of Science of rocks which form the unit of earth crust is known as ?
All Weather related phenomena take place in which layer of atmosphere?
In which layer of the atmosphere does most weather occur?