Maths Practice Question and Answer
8 Q: A school has 45% girls. If 80% of girls score more than 75% marks and 70% of the boys have score more than 75% marks. If a student is selected at random and is found to have more than 75% marks, find the probability of it being a boy.
721 064dc7c18d02c5c746bf45d36
64dc7c18d02c5c746bf45d36- 177/149true
- 275/149false
- 3Cannot be determinedfalse
- 411/20false
- 59/20false
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Answer : 1. "77/149"
Q: Six tables and twelve chairs were bought for ₹ 7,800. If the average price of a table is ₹750, then the average price of a chair would be
721 0653f82148e6628cb6daea96e
653f82148e6628cb6daea96e- 1₹ 250false
- 2₹ 275true
- 3₹ 150false
- 4₹ 175false
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Answer : 2. "₹ 275"
Explanation :

Q:Directions: Read the following data carefully and answer the questions given below:
There are 6300 students in Manipur University in the academic year 2020. The ratio of the boys to the girls in the University is 5 : 4. All the students are enrolled in different indoor activities (Chess, Carom, Debating, Painting, and Quiz) and one student is enrolled in only one indoor activity. The number of boys enrolled in the Painting is 621. The ratio of the number of boys who enrolled in Chess to the number of boys who enrolled in Carom is 5 : 3. 36% of the students are enrolled in Quiz. The number of boys enrolled in Debating is 25% of the total number of boys. The number of girls enrolled in Quiz is 640 which is 150 less than the number of girls enrolled in Carom. The number of girls enrolled in Chess is 186 more than the number of boys enrolled in the same activity. The total number of students enrolled in Painting is 816.
The total number of girls in Quiz is approximately what percent of the total number of students in Quiz?
720 064da0c08d02c5c746bedf90a
64da0c08d02c5c746bedf90a- 118%false
- 272%false
- 362%false
- 428%true
- 536%false
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Answer : 4. "28%"
Q: 45 people can repair a road in 10 days, working 6 hours a day. In how many days can 30 people, working 6 hours a day, complete the same work?
720 0644797a2e2eff56868894202
644797a2e2eff56868894202- 115true
- 212false
- 310false
- 418false
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Answer : 1. "15"
Q: The ratio of the monthly incomes of X and Y is 5: 4 and that of their monthly expenditures is 9: 7. If the income of Y is equal to the expenditure of X, then what is the ratio of the savings of X and Y?
720 064d1f27a80ef1e74b4c98310
64d1f27a80ef1e74b4c98310- 19 : 8true
- 26 : 7false
- 38 : 9false
- 47 : 6false
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Answer : 1. "9 : 8"
Q:Directions: The sub divided bar diagram given below depicts Higher secondary Students of a school for three years. Study the diagram and answer the questions

The percentage of the students passed with 2nd division in the year 2010 was
720 0645ce8abe67f3b0a568e543a
645ce8abe67f3b0a568e543a
- 130%true
- 240%false
- 350%false
- 460%false
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Answer : 1. "30% "
Q:Directions: The pie– chart shows the proposed outlay for different sectors during a Five–Year plan of Government of India. Total outlay is Rs. 40,000 crores. By reading the pie–chart answer the following three questions.

What is the proposed outlay for Education?
720 06489a3f7b90df94e034c7e06
6489a3f7b90df94e034c7e06
- 1Rs. 6000 croresfalse
- 2Rs. 8000 crorestrue
- 3Rs. 9000 croresfalse
- 4Rs. 7000 croresfalse
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Answer : 2. "Rs. 8000 crores "
Q: The curved surface area of a right cylinder is 3696 cm2. Its height is three times its radius. What is the capacity (in litres) of the cylinder? (Take π =22/7)
719 064bfb7822dc867f59316361b
64bfb7822dc867f59316361b- 125.872true
- 230.87false
- 329.75false
- 419.008false
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