Percentage and its Applications

The word 'per cent' means for each _______ .

• hundred
• thousand
• ten thousand
• lac

Chetan saves 35% of his salary and spends ₹ 11700 per month. What is his monthly salary?

• 16000
• 18000
• 20000
• 22000

Atul spends 45% of his income and saves ₹ 11000 per month. What is his monthly salary?

• 16000
• 18000
• 20000
• 22000

Ranu's mass is 25% of Monu's mass and 40% of Tina's mass. What % of Tina's mass is Monu's mass?

• 120
• 140
• 160
• 180

The population of a village was 4500 in 2000. It increased by 45% in 2001. What is the final population in the year 2001?

• 5545
• 6525
• 5550
• 6575

The number of students in a school was increased by 8% due to new admissions. If there are 270 students now, what was the original strength of the school?

• 220
• 230
• 240
• 250

Vipul had some apples. Out of which, he ate some apples and gave 40% more apples than what he ate to his sister. If he gave 7 apples to his sister, how many apples did he eat?

• 5
• 7
• 9
• 6

In an experiment, it was found that the bacteria count was increasing at the rate of 8% per hour. If the initial count was 5000, what would be the bacteria count at the end of 2 hours?

• 5632
• 5732
• 5832
• 5932

The price of onions ₹ 50 per kg. What is new price if the price decreased by 20% ?

• 30
• 40
• 45
• 38

When a number is decreased by 40%, it s value becomes 3600. Find the original number.

• 4000
• 5000
• 6000
• 8000