Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).

I visited my aunt just before a week.

(1) a week before

(2) a week earlier

(3) a week ago

(4) No improvement

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".

He assured me that he will return in an hour.

(1) He assured me 

(2) that he will return

(3) in an hour.

(4) No Error

Option 1: 1

Option 2: 2

Option 3: 3

Option 4: 4

Question : The altitude of an equilateral triangle of side $\frac{2}{\sqrt3}$ cm is:

Option 1: $\frac{4}{3}$ cm

Option 2: $\frac{4}{\sqrt3}$ cm

Option 3: $\frac{2}{3}$ cm 

Option 4: $1$ cm

Question : What is the value of $\frac{(a^2+b^2)(a-b)-(a^3-b^3)}{a^2b-ab^2}?$

Option 1: 0

Option 2: 1

Option 3: –1

Option 4: 3

Question : The speeds of A and B are in the ratio 3 : 5. A takes 30 minutes more than B to reach the destination. In how much time does A reach the destination?

Option 1: 1 hour 15 minutes

Option 2: 1 hour 10 minutes

Option 3: 1 hour

Option 4: 1 hour 5 minutes