Practise 100 Most Repeated MCQs of Math MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.
Study 100 Most Repeated MCQs of Math through multiple-choice questions in Maths. This subtopic contains 1095 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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Answer: 17%
Explanation Total time = 1 hour = 60 minutes Commercials duration = 20 * 30 seconds = 600 seconds = 10 minutes Percentage of hour taken by commercials = (10/60) * 100 = 16.67% Nearest percent = 17%
Answer: 21
Explanation Let the Breadth be = x then length be = 3x Given: Breadth is 7cm If x = 7 cm Then, 3x = 3(7) = 21cm
Answer: None
Explanation Cloth is required for 1 shirt = 2 m, 60 cm or 260 cm Cloth is required for 7 shirt = 260 × 7 = 1820 cm or 18 m 20 cm
Answer: 100
Explanation The first 10 odd numbers are: 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19. The sum of these numbers is: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 = 100 .
Answer: 100%
Explanation Converting from a decimal to a percentage is done by multiplying the decimal value by 100 and adding %.
Answer: 57%
Explanation Total number of votes polled = ( 1 1 3 6 + 7 6 3 6 + 1 1 6 2 8 ) = 2 0 4 0 0 ∴ Required Percentage = ( 2 0 4 0 0 1 1 6 2 8 × 1 0 0 ) % = 5 7 % OR Total number of votes polled = (1,136 + 7,636 + 11,628) = 20,400 Calculate percentage = (11,628 / 20,400×100) = 57%
Answer: 9
Explanation Total of the observation is 5 (3,6,9,12,15) Formula: Mean= sum of observation/total no. of observation = 3+6+9+12+15/5 = 45/5 = 9
Answer: 45 minutes
Explanation To find the time it takes for the automobiles to meet: Relative speed = 60 km/h + 40 km/h = 100 km/h Distance = 75 km Time = Distance / Relative speed = 75 km / 100 km/h = 0.75 hours Convert hours to minutes: 0.75 hours × 60 minutes/hour = 45 minutes
Answer: 2 × 2 × 2 × 2
Explanation The factors of 16 are 1, 2, 4, 8, and 16, and the prime factorization of 16 is 16 = 2 × 2 × 2 × 2.
Answer: 32
Explanation If 20% of the students are girls, then the remaining percentage (100% - 20% = 80%) represents the boys. So, in a class of 40 students: 80% of 40 = (80/100) * 40 = 0.8 * 40 = 32 Therefore, there are 32 boys in the class.
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