(A) 21
(B) 22
(C) 23
(D) 24
The answer is: (D) 24
Solution
In a class of 60 students the ratio of boys to girls is 3:2. How many girls are there in the class?
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It was raining heavy yesterday, so they ________ out.
(A) did not go
(B) did not went
(C) would not go
(D) would not gone
The answer is: (A) did not go
Yesterday she got an email from her old friend who ________ her the whole story.
(A) inform
(B) informs
(C) informed
(D) has been informed
The answer is: (C) informed
If she was free, she ________ to you.
(A) talked
(B) can talk
(C) could talked
(D) would talk
The answer is: (D) would talk
What is the sum of the numbers: 1, 2, 3, 4, …, 99, 100?
(A) 5000
(B) 5050
(C) 5100
(D) 5150
The answer is: (B) 5050
Solution
These are the first 100 natural numbers (n=100). So, by applying formula for the sum of the first n natural numbers, we have
The number of participants in the colloquium ________ amazing.
(A) was
(B) were
(C) had
(D) have had
The answer is: (A) was
What is the sum of the sequence: 2+4+6+…+98+100=?
(A) 2450
(B) 2500
(C) 2550
(D) 2600
The answer is: (C) 2550
Solution
This is an arithmetic sequence with common difference of 2. The first element is 2, the last element is 100, and total elements (from 2 to 100) are 50. So, a1 = 2, an = 100, d = 2 and n = 50. So, by using the formula for the sum of n elements of an arithmetic sequence, we have
If you work hard, you ________ good marks in the test.
(A) will get
(B) will got
(C) would get
(D) would got
The answer is: (A) will get
They have all been friends ________ their first tournament as a team.
(A) since
(B) for
(C) from
(D) during
The answer is: (A) since
When she was in the college, she ________ wake up early in the morning.
(A) should
(B) would
(C) will
(D) would have
The answer is: (B) would