Question
Average age of a class of 41 students is 17 years.
Average age of the class is increased by 18 months if the age of the teacher is included. Find the age of the teacher.Solution
Sum of the ages of all the students in the class = 41 × 17 = 697 years Sum of the ages of the students along with teacher = 42 × 18.5 = 777 years So the age of the teacher = 777 – 697 = 80 years
Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
- 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...
- In each sentence below four words have been printed in bold which are labeled (a), (b), (c) and (d ) One of these words may be misspelt or inappropriate in...
In each question below, four words that are numbered a, b, c, and d have been printed of which one may be wrongly spelt. The number of that word is the...
I sit behind the counter and wait for a customer to come in and by something, but they all walk past the window as though the place were invisible.
...Choose the word with correct spelling.
- 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...
Choose the word with the correct spelling.
Identify the INCORRECTLY spelt word in the given sentence.
Select the appropriate answer.
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