Arihant Expert Team (AET) Solutions for Exercise 2: Previous Years' Questions

How many carats are there in one gram?

The perimeter of a right-angled triangle having $24$ cm base is $60$ cm. The remaining two sides of the triangle are:

The length of a rectangle is two times that of a square whose perimeter is$80 cm$. If breadth of the rectangle is $20 cm$, then the area $(in cm²)$ of the rectangle exceeds the area of the square by _____.

Renu wants to lay tiles on the floor of her house which is$9 m$ long and $7 m$ wide. Among the following sizes of tiles, which one should she buy, so that the floor is tiled without cutting any tile?

There are four cuboidal boxes with dimensions (in cm) as given below:

Using which boxes can $18440$wooden centimetre cubes be packed?

When it is $8 : 49 pm$ in Delhi, it is $1: 19 am$ on the next day in Sydney. What time will be in Sydney when it is $11: 19 am$ in Delhi?
 

Haroon went to a fruit shop. He bought $1$ dozen bananas at the rate of $2.50$ rupees per banana, $3$ apples at  $57.60$ rupees per kg, kg of mangoes at $75.40$ rupees per kg, and $750 g$ of grapes at $120$ rupees per kg. If he gave a note of $500$ rupees to the fruit seller, he will get back:
 

Which one of the following is not correct?