Question
In a class of 40 students, 60% are boys and the rest are
girls. If 50% of the boys and 70% of the girls passed the exam, how many students failed the exam?Solution
Total number of students = 40 Number of boys = 60% of 40 = 24 Number of girls = 40 - 24 = 16 Number of boys who passed = 50% of 24 = 12 Number of girls who passed = 70% of 16 = 11.2 ≈ 11 Total passed = 12 (boys) + 11 (girls) = 23 Number of students who failed = 40 - 23 = 17 Thus, 17 students failed the exam. Correct option: d
- Of the four given options, choose the most appropriate one.
The MNC recently roped in a new head of the HR department.
Everyone knows that (1)/ the Earth revolves around the sun, (2)/ but there are still some people (3)/ who denies it. (4)
Identify the erroneous part of the sentence.
No sooner had the officer entered the room / when / the employees stood up / in silence.
They are looking forward (A)/to meet (B)/their parents. (C)
I used (A)/ a pair of black trousers(B)/ for a week.(C)
Select the segment which has a grammatical error in the given sentence. If there is no error ,select ‘no error.
I drink rather late last time
Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
Both are excellent singers, but I...
Debt bondage and forced labour flourish (A)/because the Government has (B)/do nothing to ensure (C)/the economic security of labourers (D).
Each of the following sentences has been divided into five parts (a), (b), (c), (d), and (e) . One of these parts may contain a grammatical or usage er...
