Question
There are three numbers such that when the average of
any of the two numbers is added with the third number, sum obtained will be 100, 110 and 150. Find the average of all three numbers.Solution
Let the three numbers be a, b and c respectively. According to question; (a + b + 2c) = 100 × 2 = 200……………..(1) (a + 2b + c) = 110 × 2 = 220……………..(2) (2a + b + c) = 150 × 2 = 300……………..(3) From equation (1), (2) and (3) 4 × (a + b + c) = 720 a + b + c = 180 (a + b + c)/3 = 60
BACKFIRE
- Select the most appropriate ANTONYM of the given word.
Construct Choose the one which best expresses the meaning of the given word .
Recalcitrant
In the following question, select the choice whose meaning is opposite to the word shown in bold for below question.
Astonish
...A person who takes a position of power or importance illegally or by force
Choose the word correct synonym:
Antecedent
The longevity (A) of the product is also assured (B) as the gold is plated (C) rather than applied as a coated (D) .
...His argument was fallacious and didn't convince anyone.
Select the most appropriate synonym of the given word.
SOLID
Find out the appropriate word.