mathematics MCQs – Page 28

Practise multiple-choice questions from mathematics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

mathematics Mcqs

541. When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction?
0

A. None of these

B. 7-Jun

C. 4-May

D. 7-Apr

E. 6-May

542. A man donated 5 % of his income to a charitable organization and deposited 20 % of the remainder in a bank. If he now has Rs. 1919 left, what is his income?
0

A. Rs. 2558. 60

B. Rs. 2500

C. Rs. 2300

D. Rs. 2525

543. In an election between two candidates 75 % of the voters cast their votes. Out of which 2 % of the voters were declared invalid. A candidate got 9261 votes which were 75 % of the total valid votes. The total number of voters enrolled in that election was:__________?
0

A. 16400

B. 16800

C. 18000

D. 10000

544. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is :___________?
0

A. None of these

B. 20

C. 30

D. 40

545. If the side of a square is increased by 30 %. Its area is increased by:_________?
0

A. 9%

B. 60%

C. 69 %

D. 30%

546. The price of an article has been reduced by 25 %. In order to restore the original price, the new price must be increased by:________?
0

A. 9.09%

B. 11.11%

C. 66.67%

D. 33 1/3 %

547. A and B are two fixed points 5 cm apart and c is a point on AB such that AC = 3 cm. If the length of AC is increased by 6 % the length of CB is decreased by:_________?
0

A. 8%

B. 7%

C. 6%

D. 9 %

548. Moons salary was first increased by 20% and then decreased by 20%. If his present salary is Rs. 7200, then what was his original salary?
0

A. Rs. 8000

B. Rs. 7500

C. Rs. 7200

D. None of these

E. Rs. 7400

549. The population of a town increases 4 % annually but is decreased by emigration annually to the extent of (1/2) %. What will be the increase percent in three years?
0

A. 9.8

B. 10

C. 10.5

D. 10.8

550. 40% of Raees marks is equal to 20% of Rahims marks which percent is equal to 30% of Rehmans marks. If Rehmans marks is 80, then find the average marks of Raees and Rahim?
0

A. 70

B. 60

C. None of these

D. 90

E. 80

551. Find the mean proportion between 5 and 45.
0

A. 50

B. 9

C. 25

D. 15

552. The price of a certain item is increased by 15 %. If a consumer wants to keep his expenditure on the item same as before how much percent must he reduce his consumption of that item?
0

A. 10.87%

B. 16.67%

C. 13 1/23 %

D. 15%

553. If a man lost 4% by selling oranges at the rate of 12 a rupee at how many a rupee must he sell them to gain 44%?
0

A. 9

B. 8

C. 10

D. 7

554. The ratio of the number of boys and girls is 3:2 if 20 % of the boys and 30 % of the girls are scholarship holders then the percentage of students who do not get scholarship is_________?
0

A. 75

B. 76

C. 72

D. 50

555. The difference between a number and its two-fifth is 510. What is 10% of that number?
0

A. 85

B. None of these

C. 12.75

D. 204

556. Two-fifth of one-third of three-seventh of a number is 15. What is 40% of that number?
0

A. 136

B. None of these

C. 84

D. 140

E. 72

557. Of the 1000 inhabitants of a town 60 % are males of whom 20 % are literate. If of all the inhabitants 25 % are literate. Then what percent of the females of the town are literate?
0

A. 27.50%

B. 37.50%

C. 32. 5 %

D. 22. 5 %

558. In a group of 80 children and 10 youngsters, each child got sweets that are 15% of the total number of children and each youngster got sweets that are 25% of the total number of children. How many sweets were there?
0

A. 1100

B. None of these

C. 1160

D. 1080

E. 1210

559. If 17xy+7 =19xy ,then 4xy = ?
0

A. 2-Jan

B. 14

C. 3

D. 2

560. The C.P of 10 pens is equal to the S.P of 12 pens. Find his gain % or loss%?
0

A. 16 2/3% profit

B. 50/6% profit

C. 16 2/3% loss

D. 100/3% loss

Previous Next

Showing 541 to 560 of 3669 mcqs