Question
The average age of a group of 8 friends is 30 years. If
one of them leaves, the average becomes 29. Find the age of the friend who left.Solution
Let the age of the person who left be ‘x’ years. So, x + (30 – 1) × 7 = 8 × 30 x + 29 × 7 = 240 x + 203 = 240 x = 240 – 203 x = 37 years So, age of the person who left was 37 years.
- A word has been used in the sentences given below. Identify the statement(s) where the word has been used in a contextually and grammatically correct manne...
In each of the following questions, a word has been given and used in three statements. You are supposed to identify which of the statement/s use/s the...
In the following questions, a word has been given and there are three ways in which the word has been used, in similar or different forms. You need to ...
- Below a word is given in three sentences. Find out which one/ones make/makes a correct usage of the given word and mark the option accordingly. If the sent...
Select the most appropriate antonym of the given word.
Authentic
(i) eager
(ii) avid
(iii) protect
(iv) rage
- Below, a word is given followed by three sentences which consist of that word. Identify the sentence/s which best expresses the meaning of the word. Choose...
In the given question, a word has been mentioned and there are three ways in which the word has been used in either similar or different ways. You are ...
- Below a word is given in three sentences. Find out which one/ones make/makes a correct usage of the given word and mark the option accordingly. If the sent...
Erratic
