Percentage

Question 1

what is percentage?

Answer 1

x/100

Question 2

percentage is dependent on?

Answer 2

base value

Question 3

calculate 17.2% of 1497

Answer 3

250

Question 4

what is the formula for percent of change?

Answer 4

Final value - Initial value….

Question 5

A is 20% more than B

Answer 5

120% of B

Question 6

give an example for successive increment

Answer 6

1)A—B—C
2) A=B*C

Question 7

If 100 is increased by 25% it becomes 125, how much decrement is needed to get to 100?

Answer 7

20%

Question 8

A salary is 30% more than B salary, B salary how much percent less than A salary?

Question 9

what do you do to find out x is how much % of y?

Answer 9

(x/y)*100

Question 10

If the radius is increased by 100% , then find the % change in area.

Answer 10

300%

Question 11

If the side of square is increased by 200%. Find the % increment in area

Question 12

what is rule of rejection?

Answer 12

try to prove the option is wrong until you can’t.

Question 13

because of 25% increase in prize of movie ticket the total collection of money is increased by 50%. Find the % of increment in the no. of ticket sold.

Question 14

65% of 99, use approximation

Answer 14

65% of 100 is 65 then 65% of 99 should be less therefore it should be around 64

Question 15

give an example of successive decrement and what do you do when there is a word “remaining”?

Answer 15

Mr. A spent 10% on food
20% on education
15% on transportation
10% on entertainment
Find the total income of A