Question
The average age of a group of 20 students is 30 years.
Two persons of age 40 years and 35 years, left the group and 2 persons of age 50 years and 65 years, joined the group. Find the new average age of the group.Solution
Required average = {(20 × 30) – 40 – 35 + 50 + 65}/20 = 32 years
The redshift theory is associated with ________.
The Deccan trap was formed by the:Â
Which of the following statements about rainfall in India is/are correct?
1. Most of the rainfall in India is due to the South-West monsoon
...The hill range that separates the State of Manipur from the State of Nagaland is known as:
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(II) The five states in India through which the Indian Stan...
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2. The Mongoloid Shompe...
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