Question
The average age of 30 students in a class is 18 years.
The average age of another 20 students is 22 years. Find the average age of all the 50 students together.Solution
Sum of ages of first group = 30 × 18 = 540 Sum of ages of second group = 20 × 22 = 440 Total sum = 540 + 440 = 980 Total students = 30 + 20 = 50 Overall average = 980 / 50 = 19.6 years.
GLOOMY
In each of the following sentences, choose the word opposite in meaning to the bold word to fill in the blank.
The soldier showed valor on ...
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A) dismal          B) Appellant       C) Plaintiff      D) Vile
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Built by King Narasimhadeva I of the Eastern Ganga dynasty from 1238-1250 CE, the 13th cent...
Select the most appropriate ANTONYM of the given word.
 Timid
In the following question select the answer pair that expresses a relationship most similar to that expressed in the capitalised pair.
HINT : S...
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Select the option that can be used as a one-word substitute for the given group of words.
A fourteen-line poem.
He reels (A) off a series of allegation (B) , most of which have either been positively discredited (C) or remain wholly unsubstantiated (D) .
...
