mathematics MCQs – Page 44

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 Review each marked answer and report any item that may be outdated or unclear.

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
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A. 0.0024

B. 0.24

C. 0.00024

D. 0.024

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