Basics of Percentage with important Questions (Solved by trick)

Fraction to percentage 

Fraction to percentage table 

Increased or decreased in percentage 

IMPORTANT QUESTIONS OF PERCENTAGE

                                                      (With explained in short trick)

Q-1 The annual salary of Suresh increased from Rs 16,00,000 to Rs 20,00,000. Find the percentage increase.

A.20%

B.22%

C.33%

D.25%

Q-1 The annual salary of Suresh increased from Rs 16,00,000 to Rs 20,00,000. Find the percentage increase.

A.20%

B.22%

C.33%

D.25%

Q- 2 if We Add 12 1/2   % of a number in itself, we get 8100. Find the number.

A.7500

B.6600

C.7200

D.8000

Q-2  if We Add  12 1/2   % of a number in itself, we get 8100. Find the number.

A.7500

B.6600                        % = 1/8 

C.7200                 8         9               8100

D.8000                             1  = 900 

                                             8  = 7200

•

Q-3 If we subtract  14 2/7  % of a number from itself, then we get 5400, find the number ?

A.6000

B.6600

C.6300

D.7200

•

Q-3 If we subtract 14 2/7   % of a number from itself, then we get 5400, find the number ?

A.6000

B.6600                        %  =  1/7

C.6300                7       6             5400

D.7200                         1  =   900

                                         7  =   6300

•

Q-4 if we subtract 11 1/9  % of 7200 from itself then what we get?

A.6500

B.6000

C.5000

D.6400

•

Q-4 if we subtract 11 1/9  % of 7200 from itself then what we get?

A.6500

B.6300                     % =  1/9

C.5000             9       8                7200

D.6400                      1 = 900

                                     7200 – 900 = 6300

•

Q-5 If a number is increased by 25% and the resulting number is decreased by 25%. Then the percentage increase or decrease finally is

A. No change

B. Decreased by 6 ¼ %

C. Increased by 6 ¼ %

D. Increased by 6%

                                             

•

Q-5 If a number is increased by 25% and the resulting number is decreased by 25%. Then the percentage increase or decrease finally is

A. No change

B. Decreased by 6 ¼ %            4          5

C. Increased by 6 ¼ %              4         3

D. Increased by 6%                 16      15

                                             

                                                1/16x 100 = 6.25% (Decrease)

Q-6 The value of a machine depreciates every year by 10%. If its present value is Rs. 50,000 then the value of the machine after 2 years is _____.

A Rs. 40,500

B Rs. 40,050

C Rs. 45,000

D Rs. 40,005

•

Q-6 The value of a machine depreciates every year by 10%. If its present value is Rs. 50,000 then the value of the machine after 2 years is _____.

A. Rs. 40,500

B. Rs. 40,050                    10% =  1/10

C. Rs. 45,000                  10      9

D. Rs. 40,005                  10      9              100 = 50000

                                        100    81              1 = 500

                                                                     81 = 40,500

•

Q-7 The price of onions has been increased by 50%. In order to keep the expenditure on onions the same the percentage of reduction in consumption has to be

A. 50%

B. 33 1/3 %

C. 33%

D. 30%

•

Q-7 The price of onions has been increased by 50%. In order to keep the expenditure on onions the same the percentage of reduction in consumption has to be

A. 50%

B. 33 1/3 %              50% = ½

C. 33%                           2           3

D. 30%                           3           2             1/3x 100 =          %

                    

•

Q-8 The number of seats in an auditorium is increased by 25%. The price of a ticket is also increased by 12%. Then the increase in revenue collection will be:

A. 38%

B. 40%

C. 49%

D.51%

•

Q-8 The number of seats in an auditorium is increased by 25%. The price of a ticket is also increased by 12%. Then the increase in revenue collection will be:

A. 38%                 25% = ¼              12% = 3/25

B. 40%          No of seats X Price of Ticket

C. 49%                4          5               

D.51%                25        28

                          100      140                  40/100 X 100 = 40%

•

Q-9 If the difference of 35% of a number and 25% of the same number is 240 then find the 150% of that number.

A. 2200

B. 3000

C. 2400

D. 3600

•

Q-9 If the difference of 35% of a number and 25% of the same number is 240 then find the 150% of that number.

A. 2200

B. 3000             35% - 25% = 240

C. 2400                  10% = 240

D. 3600                  1%  =  24

                          so 150% = 360

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