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

mathematics Mcqs

851. How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a mixture whose cost is Rs.52 per liter?
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A. 160 liters

B. 110 liters

C. 180 liters

D. 120 liters

852. On a sum of money, the S.I. for 2 years is Rs. 660, while the C.I. is Rs. 696.30, the rate of interest being the same in both the cases. The rate of interest is________?
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A. 12%

B. 10%

C. 10.50%

D. None of these

853. A boat running upstream takes 8 hours 48 min to cover a certain distance while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and the speed of water current respectively?
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A. Cannot be determined

B. 3:01

C. 2:01

D. 8 : 3

854. The sum of five consecutive even numbers of set x is 440. Find the sum of a different set of five consecutive integers whose second least number is 121 less than double the least number of set x?
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A. 248

B. None of these

C. 236

D. 228

E. 240

855. In how many different ways can the letters of the word OPTICAL be arranged so that the vowels always come together?
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A. 720

B. 4320

C. 120

D. 2160

856. A can give B 100 meters start and C 200 meters start in a kilometer race. How much start can B give C in a kilometer race?
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A. 777.52 m

B. 111.12 m

C. 756.34 m

D. 888.88 m

857. (0.456 * 0.456 0.228 * 0.228) / (0.456 + 0.228) = ________?
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A. 0.228

B. 0.456

C. 1

D. 0.684

858. 3648.24 + 364.824 / ? 36.4824 = 3794.1696
0

A. 3

B. 4

C. 5

D. 2

859. The cost of 10 kg of apples is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is Rs.20.50. Find the total cost of 4 kg of apples, 3 kg of rice and 5 kg of flour?
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A. Rs.849.40

B. Rs.901.60

C. Rs.877.40

D. None of these

E. Rs.815.20

860. The speed of a boat in still water is 60kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?
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A. 40, 60 kmph

B. 80, 40 kmph

C. 50, 55 kmph

D. 35, 25 kmph

861. 45/100 * 125 + 22.22 = ________?
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A. 72

B. 78

C. 74

D. 76

862. A boat covers a distance of 30 km in 2 hours running downstream while returning it covers the same distance in 3 hours. What is the speed of the boat in still water?
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A. 14 km/hr

B. None of these

C. 12km/hr

D. 15 km/hr

E. 8km/hr

863. In what ratio should two varieties of sugar of Rs.18 per kg and Rs.24 kg be mixed together to get a mixture whose cost is Rs.20 per kg?
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A. 3:01

B. 1:02

C. 2:1

D. 1:03

864. The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?
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A. none

B. 3km/hr

C. 1.5km/hr

D. 1km/hr

865. 33/4 of 4500 + ? = 118500
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A. 5.124 * 10<sup>4</sup>

B. 2.4123 * 10<sup>4</sup>

C. 6.125 * 10<sup>4</sup>

D. 8.1375 * 104

866. The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is_________?
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A. 6! * ?P?

B. 2(6!)

C. (6!)<sup>2</sup>

D. 6! * 7

867. 8 2/3 + 6 4/5 = _____?
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A. 14

B. 14 3/4

C. None of these

D. 14 1/2

868. A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?
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A. 511

B. 15

C. 1023

D. 63

869. 24 [2.4 {0.24 * 2 (0.024 ?)}] = 22.0584
0

A. 0.0024

B. 0.24

C. 0.00024

D. 0.024

870. 6.4 * 1.25 = (?)<sup>3
0

A. 4

B. 3

C. 1

D. 2

871. Rs.1200 divided among P, Q and R. P gets half of the total amount received by Q and R. Q gets one-third of the total amount received by P and R. Find the amount received by R?
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A. Rs.500

B. Rs.600

C. None of these

D. Rs.300

E. Rs.400

872. The cost of 16 pens and 8 pencils is Rs.352 and the cost of 4 pens and 4 pencils is Rs.96. Find the cost of each pen?
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A. Rs.32

B. Rs.25

C. Rs.28

D. Rs.36

E. None of these

873. Masoods age 18 years hence will be thrice his age four years ago. Find Masoods present age?
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A. None of these

B. 12 years

C. 9 years

D. 18 years

E. 21 years

874. A mixed doubles tennis game is to be played two teams(each consists of one male and one female) There are four married couples. No team is to consist a husband and his wife. What is the maximum number of games that can be played?
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A. 42

B. 36

C. 48

D. 12

875. 21345 * 45 = 4270 * ?
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A. 255

B. 235

C. 225

D. 215

876. In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by:________?
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A. 29 m

B. 21 m

C. 26 m

D. 28 m

877. A vessel contains 20 liters of a mixture of milk and water in the ratio 3:2. 10 liters of the mixture are removed and replaced with an equal quantity of pure milk. If the process is repeated once more, find the ratio of milk and water in the final mixture obtained?
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A. 9:1

B. 4:07

C. 2:05

D. 7:01

878. The sum of four consecutive even numbers is 292. What would be the smallest number?
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A. 70

B. 76

C. None of these

D. 68

E. 74

879. The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number?
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A. 48

B. Either (a) or (b)

C. 39

D. 93

E. 75

880. In what ratio must a grocer mix teas worth Rs.60 a kg and Rs.65 a kg.So that by selling the mixture at Rs. 68.20 a kg, He may gain 10%?
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A. 3:05

B. 3:04

C. 3:2

D. 4:05

881. Twelve people from a club, by picking lots. One of them will host a dinner for all once in a month. The number of dinners a particular member has to host in one year is________?
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A. Three

B. One

C. Zero

D. Cannot be determined

882. The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period(in years) is_________?
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A. 3

B. 2

C. 2 1/2

D. 4

883. The tens digit of a two-digit number is two more than its unit digit. The two-digit number is 7 times the sum of the digits. Find the units digits?
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A. 2

B. 3

C. None of these

D. 1

E. 4

884. In how many different ways can four books A, B, C and D be arranged one above another in a vertical order such that the books A and B are never in continuous position?
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A. 14

B. 18

C. 12

D. 9

885. 60 + 5 * 12 / (180/3) = _______?
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A. 120

B. 60

C. 13

D. 61

886. In a series of six consecutive even numbers, the sum of the second and sixth numbers is 24. What is the fourth number?
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A. 14

B. 6

C. None of these

D. 8

E. 12

887. 7 + 5 (3/2 * 1/4) of 2/7 + 7/2 * 1/6 equals ________.
0

A. 12

B. 12 25/224

C. 12 3/88

D. 24 7/8

888. 183.21 + 2.9928 * 66.84 = _______?
0

A. 383

B. 374

C. 372

D. 380

889. In what proportion must water be added to spirit to gain 20% by selling it at the cost price?
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A. 3:05

B. 1:5

C. 4:05

D. 2:05

890. A man can row 7 kms on hour in still water and he finds that it takes hi twice as long to row down the river. The rate of stream is
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A. 2.5 km/hr

B. 2.4km/hr

C. 3.5km/hr

D. 3.4km/hr

891. Milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain a new mixture in vessel C containing half milk and half water?
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A. 1:03

B. 1:02

C. 7:5

D. 1:01

892. The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is________?
0

A. 6.09%

B. 6.07%

C. 6.08%

D. 6.06%

893. A two number committee comprising of one male and the female number is to be constituted out of five male and 3 females. Amongst the females, Ms. A refused to be number committee in which Mr.B is taken as the number of how many different ways can the committee be constituted?
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A. 20

B. 14

C. 30

D. 11

894. The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is -.
0

A. 4320

B. 4000

C. 2160

D. 5300

895. 4 * 0.4 * 0.04 * 0.004 = _________?
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A. 0.000256

B. 0.0256

C. 0.00256

D. 0.0000256

896. All the water in container A which was filled to its brim was poured into two containers B and C. The quantity of water in container B was 62.5% less than the capacity of container A. If 148 liters was now transferred from C to B, then both the containers would have equal quantities of water. What was the initial quantity of water in container A?
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A. 648

B. 928

C. 1184

D. 888

897. 2003 * 2004 2001 * 2002 = _________?
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A. 8010

B. 8020

C. 8000

D. 8040

898. In how many different ways can six players be arranged in a line such that two of them, Asim and Raheem are never together?
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A. 240

B. 480

C. 360

D. 120

899. 20% of 40 + ? % of 80 = 120
0

A. 120

B. 160

C. 140

D. 180

900. Six points are marked on a straight line and five points are marked on another line which is parallel to the first line. How many straight lines, including the first two, can be formed with these points?
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A. 30

B. 55

C. 32

D. 29

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