Question
A group of 35 people has an average age of 28 years.
Later, 7 more people join the group and the average age becomes 25 years. What is the average age of the new people?Solution
Initial sum = 35 × 28 = 980 years
New average = 25 years
New total = 42
New total age = 42 × 25 = 1050 years
Sum of new = 1050 - 980 = 70 years
Average = 70 ÷ 7 = 10 years
In each of the questions below, a sentence is given with four words highlighted in bold in the sentence. Among these bold words, one may be wrongly spe...
It's the only places in the city where one can see majestic birds like pelicans and painted storks in large numbers.
...- In each sentence below four words have been printed in bold which are numbered (1), (2), (3) and (4) One of these words may be misspelt or inappropriate in...
- Identify the misspelt word among the following given options:
Four words are listed below. Select the CORRECTLY spelt word.
If only the routine criminal process is pursued with a universal sense of urgent , the expediency of special courts may not be needed at all.
...Select the INCORRECTLY spelt word.
The body of priests not only said any communal (A) tension would have an adverse (B) impact on the economy of the temple town but also sought (C) to bec...
      Select the Incorrectly spelt word.
Select the INCORRECTLY spelt word.
Relevant for Exams:
