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

mathematics Mcqs

1051. A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected, if it should have 5 seniors and 5 juniors?
0

A. C? * ?C?

B. C? * 10

C. 12 * ?C?

D. C? * 10

1052. Solve the equation for x : 19(x + y) + 17 = 19(-x + y) 21
0

A. -2

B. -4

C. -3

D. None of these

E. -1

1053. In a can, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk the can would be full and ratio of milk and water would become 6 : 5. Find the capacity of the can?
0

A. 52

B. 40

C. 48

D. 44

1054. 8/15 / 1 1/3 * 3 ?/4 = 1.5
0

A. 2

B. 3

C. 5

D. 1

1055. ??/9261 = 11/21
0

A. 1331

B. 2662

C. 121

D. 14641

1056. In a game of billiards, A can give B 20 points in 60 and he can give C 30 points in 60. How many points can B give C in a game of 100?
0

A. 25

B. 50

C. 15

D. 40

1057. How many three letter words are formed using the letters of the word TIME?
0

A. 16

B. 20

C. 12

D. 24

1058. 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 65. How much wine did the cask hold originally?
0

A. 32 litres

B. 24 litres

C. 18 litres

D. 42 litres

1059. A committee has 5 men and 6 women. What are the number of ways of selecting 2 men and 3 women from the given committee?
0

A. 200

B. 250

C. 150

D. 300

1060. The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?
0

A. 10 seconds

B. 20 seconds

C. 12 seconds

D. None of these

E. 15 seconds

1061. A group consists of 4 men, 6 women and 5 children. In how many ways can 2 men , 3 women and 1 child selected from the given group?
0

A. 300

B. 900

C. 600

D. 750

1062. A person ordered 5 pairs of black socks and some pairs of brown socks. The price of a black pair was thrice that of a brown pair while preparing the bill the bill clerk inter-changed the number of black and brown pairs by mistake which increased the bill by 100% what was the number of pair of brown socks in the original order?
0

A. 25

B. 15

C. 10

D. 20

1063. A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?
0

A. 20/6 hours

B. 30/13 hours

C. 27/2 hours

D. 30 hours

1064. In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 600 m?
0

A. 150.7 m

B. 127.5 m

C. 98.6 m

D. 57.5 m

1065. A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be_________?
0

A. 24

B. 22

C. 26

D. 23

1066. A committee has 5 men and 6 women. What are the number of ways of selecting a group of eight persons?
0

A. 185

B. 225

C. 165

D. 205

1067. A group consists of 4 men, 6 women and 5 children. In how many ways can 3 men, 2 women and 3 children selected from the given group?
0

A. 600

B. 450

C. 300

D. 750

1068. (180/37 of 14.8) / (17/60.1 of 180.30) = _______?
0

A. 1.2

B. 1.4

C. 1.5

D. 1.6

1069. A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current?
0

A. 6.5 kmph

B. 1.5 kmph

C. 3 kmph

D. 13 kmph

1070. Find out the C.I on Rs.5000 at 4% p.a. compound half-yearly for 1 1/2 years.
0

A. Rs.306.04

B. Rs.294.75

C. Rs.319.06

D. Rs.420.20

1071. 0.003 * ? * 0.0003 = 0.00000027
0

A. 3

B. 0.03

C. 0.3

D. 9

1072. The length of rectangle is thrice its breadth and its perimeter is 96 m, find the area of the rectangle?
0

A. 432 sq m

B. 356 sq m

C. 452 sq m

D. 428 sq m

1073. What is the perimeter of a square field whose diagonal is 8?2?
0

A. 30 m

B. 64 m

C. 32 m

D. 16 m

1074. The perimeter of circle field and a square field are equal. If the area of these square field is 12100m2, the area of a circular field will be_________?
0

A. 15200Sq.m

B. 15300Sq.m

C. 15400Sq.m

D. 15500Sq.m

1075. A rectangular tank is 225 m by 162m at the base with what speed must water flow into it through an aperture 60cm by 45cm that the level may be raised 20cm in 5 hours?
0

A. 5400 m/hr

B. 5200m/hr

C. 5000 m/hr

D. 5600 m/hr

1076. (6 2 * 3 + 6) / (2 + 6 * 3 4) = _____________?
0

A. 3/8

B. 10-Mar

C. 8-Sep

D. 5-Mar

1077. The length of each side of an equilateral triangle having an area of 4?3 cm<sup>2
0

A. 3/4 cm

B. 3 cm

C. 4/3 cm

D. 4 cm

1078. (0.9 * 0.9 0.8 * 0.8)/1.7 = _________?
0

A. 0.2

B. 0.4

C. 0.3

D. 0.1

1079. The length of a rectangular plot is increased by 25%. To keep its area uncharged the width of the plot should be___________?
0

A. Increased by 20%

B. Increased by 25%

C. Kept unchanged

D. Reduced by 20%

1080. A covered wooden box has the inner measure as 115cm 75cm and 35cm and the thickness of wood is 2.5cm. The volume of the wood is____________?
0

A. None of these

B. 82125cu.cm

C. 81775cu.cm

D. 81000cu.cm

1081. If the ratio of the areas of two squares is 9:1 ratio of their perimeters is_________?
0

A. 1:03

B. 9:01

C. 3:04

D. 3:1

1082. If the side of a square is increased by 25 % then how much percent does its area get increased:
0

A. 50

B. 156.25

C. 56.25

D. 125

1083. LCM of 1/3, 5/6, 5/4, 10/7 is_________?
0

A. 7-Oct

B. 11-Oct

C. 10-Nov

D. 10

1084. The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:________?
0

A. 42%

B. 62%

C. none of these

D. 82%

1085. The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?
0

A. 32

B. 64

C. 40

D. 28

1086. The smallest number when increased by 1 is exactly divisible by 12, 18, 24, 32 and 40 is__________?
0

A. 1440

B. 1439

C. 1449

D. 1459

1087. The water in a rectangular reservoir having a base 80m by 60m is 6.5m deep.In what time can the water be amplified by a pipe of which the cross section is a square of a side 20cm if the water runs through the pipe at the rate of 15km per hour?
0

A. 26hours

B. 42hours

C. 65hours

D. 52hours

1088. A rectangular carpet has an area of 120 sq.m and a perimeter of 46 m. The length of its diagonal is:_________?
0

A. 15 m

B. 17 m

C. 16 m

D. 20 m

1089. The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is_________?
0

A. 1:9

B. 1:05

C. 1:03

D. 1:06

1090. The product of two numbers is 2028 and their H.C.F is 13. The number of such pairs is__________?
0

A. 4

B. 1

C. 3

D. 2

1091. The length of a rectangular increased by 10% and it;s breadth is decreased by 10 %. Then the area of the new rectangle is_________?
0

A. Decreased by 10%

B. Increased by 1%

C. Decreased by 1%

D. Neither increased nor decreased

1092. The cross-section of a cannel is a trapezium in shape. If the cannel is 10 m wide at the top and 6 m wide at the bottom and the area of cross-section is 640 sq m, the depth of cannel is_________?
0

A. 80 m

B. 40 m

C. 60 m

D. 20 m

1093. The perimeter of one square is 48 cm and that of another is 20 cm. Find the perimeter and the diagonal of a square which is equal in area to these two combined?
0

A. 17?2 cm

B. 13?2 cm

C. 15?2 cm

D. 16?2 cm

1094. The side of a rhombus is 26 m and length of one of its diagonals is 20 m. The area of the rhombus is_______?
0

A. 529 sq m

B. 260 sq m

C. 480 sq m

D. 240 sq m

1095. The diagonal of a square is 4?2cm. The diagonal is another square whose area is double that of the first square is__________?
0

A. 4?2cm

B. 8?2cm

C. 8cm

D. 16cm

1096. A rectangular carpet has an area of 120 square meters and a parameter of 46m. The length of its diagonals is_________?
0

A. 15m

B. 11m

C. 17m

D. 13m

1097. The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?
0

A. 84

B. 48

C. 12

D. 108

1098. Greatest Common Divisor of two numbers is 8 while their Least Common Multiple is 144. Find the other number if one number is 16.
0

A. 96

B. 108

C. 72

D. 36

1099. The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m?
0

A. 54 Sq.m

B. 21 Sq.m

C. 42 Sq.m

D. 108 Sq.m

1100. A rectangular water tank is open at the top. Its capacity is 24Cu.m.Its length and breadth are 4m and 3m respectively. Ignoring the thickness of the material used for building the tank the total cost of painting the inner and outer surface of the tank at Rs. 10 per Sq.m is_________?
0

A. Rs.600

B. Rs.800

C. Rs.500

D. Rs.400

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