mathematics mcqs to prepare for nts, kppsc, fpsc, ppsc and more | mcqpk.com

mathematics Mcqs

2051. 5 % of the income of A is equal to 15 % of the income of B and 10 % of the income of B is equal to 20 % of the income of c. If the income of C is Rs. 2000. What is the total income of A, B and C?
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A. Rs. 12400

B. Rs 16000

C. Rs. 14000

D. Rs. 18000

2052. The length of a rectangle is increased by 60 %. By what percent would the width have to be decreased to maintain the same area?
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A. 37 %

B. none of these

C. 75%

D. 60%

2053. If cost of sugar increases by 25%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?
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A. 10%

B. 15%

C. None

D. 25%

E. 20%

2054. How much is 80% of 40 is greater than 4/5 of 25?
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A. 9

B. 6

C. 12

D. 4

2055. If 35% of a number is 12 less than 50% of that number, then the number is_________?
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A. 50

B. 40

C. 80

D. 60

2056. There are two numbers. If 40% of the first number is added to the second number, then the second number increases to its five-fourth. Find the ratio of the first number to the second number?
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A. 8:05

B. 8:25

C. None of these

D. 25:08:00

E. 5 : 8

2057. If y exceeds x by 25%, then x is less than y by__________?
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A. 20%

B. 16%

C. 16.60%

D. 16.33%

2058. The Price of an article is cut by 10%. To restore it to the former value, the new price must be increased by_______?
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A. 11%

B. 10%

C. 11 1/9 %

D. 9.09%

2059. The difference between a number and its two-fifth is 510. What is 10% of that number?
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A. 12.75

B. None of these

C. 85

D. 204

2060. 5% people of a village in Sri Lanka died by bombardment, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning?
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A. 5500

B. 4200

C. 3800

D. 4400

2061. If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.
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A. 1/12

B. 4-Jan

C. 8-Jan

D. 6-Jan

2062. 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?
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A. Rs. 7500

B. Rs. 7400

C. None of these

D. Rs. 7200

E. Rs. 8000

2063. A person spends 1/5th of his income on the education of his children, and 20% of the remaining on food. If he is left with Rs.576 find his income?
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A. Rs.1000

B. Rs.900

C. Rs.800

D. Rs.500

2064. A mixture of 70 liters of wine and water contains 10% water. How much water must be added to make water 12 % of the total mixture?
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A. 4 liters

B. 2 liters

C. 12 liters

D. 10 liters

2065. 96% of the population of a village is 23040. The total population of the village is________?
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A. 24000

B. 24936

C. 32256

D. 25640

2066. The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is_________?
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A. None

B. It increases by 10%

C. It decreases by 8%

D. No change in revenue

E. It increases by 8%

2067. If the price of gold increases by 50%, find by how much the quantity of ornaments must be reduced, so that the expenditure may remain the same as before?
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A. 19%

B. 30%

C. 33 1/3 %

D. 27.09%

2068. 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?
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A. 10.8

B. 10

C. 9.8

D. 10.5

2069. Two numbers are less than q third number by 30 % and 37 % respectively. How much percent is the second number less than the first?
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A. 25%

B. 15%

C. 10 %

D. 20%

2070. What percent of 125 is 16?
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A. None of these

B. 11.20%

C. 10.40%

D. 12.60%

2071. The length of a rectangle is increased by 10 % and breadth decreased by 10 % Then the area of a new rectangle is:_________?
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A. decreased by 1 %

B. decreased by 10 %

C. neither increased nor decreased

D. increased by 1 %

2072. The income of a broker remains uncharged though the rate of commission is increased from 4 % to 5 % the percentage of a slump in business is_______?
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A. 80%

B. 8%

C. 20 %

D. 1%

2073. A dishonest dealer claims to sell his goods at the cost price but uses a false weight of 900 gm for 1 kg what is his gain percent?
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A. 11.25%

B. 12.11%

C. 13%

D. 11 1/9 %

2074. After spending 40 % in machinery, 25 % in the building, 15 % in raw material and 5 % on furniture, Haris had a balance of Rs. 1305. The money with him was:________?
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A. Rs. 1390

B. Rs. 6500

C. Rs. 7225

D. Rs. 8700

2075. Masoods salary is reduced by 10% and then reduced salary is increased by 10%. Find ,how many percentage his present salary is less as compared to his previous salary?
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A. 1%

B. 10%

C. 5%

D. Nothing

2076. 85% of a number is added to 24, the result is the same number. Find the number?
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A. 140

B. 150

C. 130

D. 160

2077. A period of 4 hrs 30 min is what percent of a day?
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A. 20%

B. 16.75%

C. 19%

D. 18 3/4 %

2078. A salesmans terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.1000 plus 2.5% commission on all sales exceeding Rs. 4,000. If his remuneration as per new scheme was Rs. 600 more than that by the previous schema, his sales were worth?
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A. Rs. 30,000

B. Rs. 12,000

C. Rs. 14,000

D. Rs. 40,000

2079. Out of 100 students, 50 failed in English and 30 in Mathematics. If 12 students fail in both English and Mathematics. Then the number of students who passed in both the subjects is__________?
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A. 28

B. 30

C. 32

D. 26

2080. In measuring the sides of a rectangle errors of 5 % and 3 % in excess are made. The error percent in the calculates area is_________?
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A. 8. 35 %

B. 8.15 %

C. 6. 25%

D. 7.15%

2081. The price of an article has been reduced by 25 %. In order to restore the original price, the new price must be increased by:________?
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A. 9.09%

B. 33 1/3 %

C. 66.67%

D. 11.11%

2082. Amir saves 32% of his monthly salary. If he spends Rs. 27200, then find his savings?
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A. 13200

B. 15400

C. 12800

D. 14300

2083. The tax on a commodity is diminished by 20% but its consumption is increased by 10%. Find the decrease percent in the revenue derived from it?
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A. 12%

B. 20%

C. 18%

D. 15%

2084. After 38 liters of petrol were poured into the tank, it was still 5% empty. How much petrol must be poured into the tank in order to fill it?
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A. 38 liters

B. 2 liters

C. 40 liters

D. 38.5 liters

2085. If 25 men can eat 150 kg of wheat in 30 days then 45 men can eat 450 kg of wheat in how many days?
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A. 15 days

B. 13 days

C. 18 days

D. 50 days

2086. In a hostel mess there is enough food provisions for 1200 boarders for a month. After 15 days half of them leave due to vacations. How long will the food provisions now last?
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A. 20 days

B. 35 days

C. 30 days

D. 50 days

2087. In a hospital there are enough injections sufficient for 15 days. Originally there were 80 patients but 40 more patients appeared. How many days these injections will be sufficient for now?
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A. 15

B. 12

C. 10

D. 16

2088. In a fort the food was sufficient for two months. After half a month
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A. 50 days

B. 2 months

C. 1.5 months

D. 40 days

2089. A garrison has sufficient food for 500 people to survive for 6 days. At the end of 2 days 100 men desert. How long the provisions are sufficient for now?
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A. 10

B. 6

C. 5

D. 4

2090. 15 cattle can graze a field in 20 days 20 cattle can graze 3 such field in how many days?
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A. 60

B. 30

C. 50

D. 45

2091. A group of people has provisions for 29 days for 24 men. If after 4 days 1/6 of them desert then food will last for?
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A. 32 days

B. 30 days

C. 28 days

D. 25 days

2092. In a fort there is sufficient food for 600 men for a month. If 400 more men arrive the fort then how long the food is sufficient for now?
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A. 18 days

B. 36 days

C. 28 days

D. 20 days

2093. At a ship the food was enough for 50 people. But after 10 days half of the men died due to some viral disease and the food is sufficient for as long as before. How long the food was sufficient for then?
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A. 60

B. 70

C. 50

D. 20

2094. 5kg food is consumed by 50 chickens in 2 days. 60 chickens will consume how much food in 6 days.
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A. 2 kg

B. 18 kg

C. 15 kg

D. 6 kg

2095. If 12 members family spend Rs. 850 in 10 days. Then a family of 8 people will spend Rs. 340 in how many days.
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A. 8

B. 6

C. 7

D. 5

2096. In a camp sufficient food was provided to 500 men to last for 10 days. But after 5 days 200 more men joined. How long the food will last for after joining the 2000 new men?
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A. 5

B. 8

C. 1

D. 3

2097. A garrison has provisions for 40 days. At the end of 5 days half of the men left the garrison. How long the food will last for?
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A. 80 days

B. 70 days

C. 45 days

D. 35 days

2098. 18 cattle graze a field in 12 days. 6 cattle can graze 3 of such fields in x days. What is x?
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A. 36

B. 72

C. 108

D. 90

2099. A family of 12 people had enough provision for 15 days. But 3 guests came for 2 days. How long the provisions will last for?
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A. 15

B. 12

C. 12.5

D. 8

2100. A garrison has provision for 30 days for certain men. If 2/3 of them do not attend the mess then the food will last for?
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A. 90 days

B. 65 days

C. 55 days

D. 50 days

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