Inter Amity MM Class VIII - 2022

• 7

• 5

The length, breadth and height of a room are in the ratio 3:2:1. If the breadth and height are halved while the length is doubled, then the total area of the four walls of the room will

• remain the same

• decrease by 13.64%

• decrease by 15%

• decrease by 30%

After Sally takes 20 gunshots, she hits the target 55% of times. After she takes 5 more gunshots, she raises the percentage to 56%. In how many of the last 5 gunshots did she hit the target?

• 1

• 2

• 3

• 4

• 8

• 5

• 6

• 9

The cost of diamond varies directly as the square of its weight. Once, this diamond broken into four pieces with weights in the ratio 1:2:3:4. When the pieces were sold, the merchant got Rs 70,000 less. Find the original price of the diamond.

• Rs 1.4 lakh

• Rs 2 lakh

• Rs 1 lakh

• Rs 2.1 lakh

Jason spent a quarter of his money and an additional Rs 100 on some books. He then spent two fifths of the remaining money and an additional Rs 80 on some DVD's. If he was left with Rs 1300, how much money did he have at first?

• Rs 2400

• Rs 2600

• Rs 3000

• Rs 3200

• 1

• 2

• 3

• 4

If 8 boys left the classroom, there would be 2/3 as many boys as girls in the classroom. If 8 girls left the classroom, the number of boys in the classroom will be twice the number of girls left in the class. How many boys and girls are there in the classroom?

• 18 and 20

• 24 and 30

• 20 and 18

• 30 and 24

A grocer sells rice at a profit of 10% and uses a weight which is 20% less. Find his total percentage gain.

• 30%

• 37.5%

• 12%

• 28.5%

A carriage driving in the fog passed a man who was walking at the rate of 3km an hour in the same direction. He could see the carriage for 4 minutes and it was visible to him up to a distance of 100m. what was the speed of the carriage?

• 4.5 km/h

• 9 km/h

• 4 km/h

• 4.25 km/h