Question
In an examination, the average marks obtained by the
students is 60. After correcting the quantitative mistakes, the average of 100 students is reduced to 45 from 60 and the overall average of the student is reduced to 50. Then find the total number of students who participated in that examination.Solution
Let the total number of students be x Average marks obtained by the students = 60 Total marks = 60x After correcting the quantitative mistakes the average decreased by (60-45) = 15 marks Total reduction = 15 × 100 = 1500 Now According to the Question, (60x-1500)/x = 50 (60x-1500)= 50x
Find out the appropriate word.
DEMEAN
- Choose the alternative which is closest to the opposite in meaning of the bold word in the sentence.
Her placid demeanor made her a calming presenc... A) Stationary           B) Spurious           C) Authentic           D) Festive
...Select the most appropriate ANTONYM of the bold word.
She has done a commendable job in making people aware of this issue.
Person who is nervous and shy
Stultify
Select the option that can be used as a one-word substitute for the given group of words.
Words written on a tomb
Choose the correct synonym for the given word.
Chord
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