Maths Practice Question and Answer
8 Q: A can finish one-third of a work in 5 days, B can finish 2/5th of the same work in 10 days and C can finish 75 % of the same work in 15 days. They work together for 6 days. The remaining work will be finished by B alone in:
1159 06051cb0ca37d522d6c152652
6051cb0ca37d522d6c152652- 12 daysfalse
- 2$$ {1{1\over 2}}$$ daystrue
- 33 daysfalse
- 45 daysfalse
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Answer : 2. "$$ {1{1\over 2}}$$ days"
Q: A works twice as fast as B and B works twice as fast as C. All three working together can finish a task in 4 days with the help of D. If D alone can finish the same task in 16 days, then in how many days will A alone finish 75 % of the same task?
1221 06051cabad3e3d30b29d9ae86
6051cabad3e3d30b29d9ae86- 19false
- 27true
- 36false
- 48false
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Answer : 2. "7"
Q: The Value of $$ {\sqrt{6-\sqrt{17-2\sqrt{72}}}}$$ is closest to:
1225 06051ca48d3e3d30b29d9ac53
6051ca48d3e3d30b29d9ac53- 12.1false
- 22.7false
- 32.4true
- 41.8false
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Answer : 3. "2.4"
Q: An observer who is 1.62-meter-tall is 45 meters away form a pole. The angle of elevation of the top of the pole from his eyes is 30°. The height ( in meter) of the pole is closet to:
1066 06051ca08d3e3d30b29d9ab7f
6051ca08d3e3d30b29d9ab7f- 126.8false
- 227.6true
- 326.2false
- 425.8false
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Answer : 2. "27.6"
Q: A started a business with a capital of Rs.1,12,000. After 2 months, B joined the business with a capital of Rs.80,000 and after another 2 months, C joined the business with a capital of Rs.72,000. After 10 months from the start of the business, B withdrew Rs.8,000 and C also with drew Rs.8,000. If B received Rs.9,800 as his share in the profit at the end of a year, then the total profit was:
1369 06051c997d3e3d30b29d9a9f8
6051c997d3e3d30b29d9a9f8- 130,800false
- 235,800false
- 332,400false
- 433,600true
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Answer : 4. "33,600"
Q: A is 40 % more than B and B is 60% less than C. If C is 60 % more than D, then which of the following is true?
1291 06051c855a37d522d6c152063
6051c855a37d522d6c152063- 1C is 60 % more than B.false
- 2B is 36 % less than D.true
- 3D is 10.4 % more than A.false
- 4A is 54 % less than C.false
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Answer : 2. "B is 36 % less than D."
Q: The average score of 42 students in a test is 69. The ratio of the number of boys to that of girls is 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is:
2131 06051c80da37d522d6c152042
6051c80da37d522d6c152042- 182.8false
- 273.5false
- 375.2false
- 475.6true
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Answer : 4. "75.6"
Q: In an office, 70% of the total number of employees are females. 80 % of the total number of employees, including 85 males, got promotion. If there are 105 female employees, then what percentage of female employees got promotion?
1542 06051c7aad3e3d30b29d9a7fd
6051c7aad3e3d30b29d9a7fd- 130 %false
- 2$$ {33 {1\over 3}}{ \%} $$true
- 340 %false
- 435 %false
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