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: 24
Explanation To find the solution, first, calculate the total man-days required for the job: 36 men * 18 days = 648 man-days. Then, divide the total man-days by the new number of men (27) to find the new number of days: 648 man-days / 27 men = 24 days. So, the correct answer is 24 .
Answer: 40%
Explanation 16 of 40 can be written as: 1640 Multiply both numerator & denominator by 100 1640 × 100100 = 40100 = 40% **** If you are using a calculator, simply enter: 16÷40×100 = 40%
Answer: -1
Explanation If a/2+4 = 7/2, the a =? A/ 2+4 = 7/2 a/ 4 = 7 4 - 7 = a -3 = a -3/ 3 = a -1 = a
Answer: 35
Explanation 15 men × 10 days = M2 × 3 days M2 = 50 More men = 50 - 15 = 35 Last verified on 08-03-2026
Answer: 250,000
Explanation CP = 50,00,000 P% = 5% Profit = 5%of 5000000 5/100*5000000 = 2,50000 Therefore profit is 2,50000
Answer: 25
Explanation 25*25 = 625
Answer: 150 metres
Explanation Speed = 60 km/hr = 60 × (5/18) m/s = 50/3 m/s Time = 9 seconds Length = Speed × Time = (50/3) × 9 = 150 meters Last verified on 04-04-2026
Answer: 0.00006
Explanation Step 1: Multiply numbers ignoring decimals: 3 × 2 = 6 Step 2: Count total decimal places: 0.003 → 3 decimal places, 0.02 → 2 decimal places → total = 5 Step 3: Place decimal 5 places from right: 0.00006
Answer: 8
Explanation Value = 1/3 of 24 = 1/3 x 24 = 8
Answer: 12
Explanation The word BOOK has 4 letters, where ' O ' appears twice. The formula for distinct permutations is: 4 ! 2 ! = 24 2 = 12 Since ' O ' is repeated, we divide by 2 ! to avoid overcounting.
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