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: (x+1+y)(x-1-y)
Explanation
Answer: 150
Explanation 40 is subtracted from 60% of a number, the result is 50 (60/100) * X – 40 = 50 6X = 900 X = 150
Answer: 72
Explanation The mean proportional between two numbers a and b is a number x such that : a : x :: x : b In this case, we want to find the mean proportional between 64 and 81. Let's set up the proportion: 64 : x :: x : 81 We can rewrite this as: 64/x = x/81 Cross-multiplying, we get: 64 × 81 = x^2 Simplifying, we get: 5184 = x^2 Taking the square root of both sides, we get: x = √5184 x = 72 So, the mean proportional between 64 and 81 is 72.
Answer: 9
Explanation Since you are 5th in a queue starting from either end so there are 2 persons to your left and 2 to your righ t ∴∴ Total number of persons are 5+2+2= 9
Answer: 7.007
Explanation 0.777777 ÷ 0.111 = 7.007 (approx) Last verified on 03-04-2026
Answer: 41%
Explanation Number of boys present: 50% of 100 = 0.5 x 100 = 50 boys Number of girls present: 40% of 900 = 0.4 x 900 = 360 girls Total students present = Boys present + Girls present = 50 + 360 = 410 Now, let's find the percentage of students present: Total students = Boys + Girls = 100 + 900 = 1000 Percentage of students present = (Total students present / Total students) x 100 = (410 / 1000) x 100 = 41%
Answer: Rs. 1,200
Explanation Let the Cost price of the Chair is X. SP = X - 25% of X 720 = 0.75X X = 960 CP = Rs . 960 So, To gain 25%, SP would be = 960 + 25% of 960 = Rs . 1200
Answer: 83 days
Explanation 5 men = 50 days 1 man = 5 × 50 = 250 days 3 men = 250/3 = 83.33 days Last verified on 02-03-2026
Answer: 11
Explanation All months except February have at least 30 days . So, 11 months have 30 or more days .
Answer: 551.25
Explanation Let each installment be Rs. x. Then, x/(1 + 5/100) + x/(1 + 5/100)2 = 1025 820x + 1025 * 441 x = 551.25 So, value of each installment = Rs. 551.25 Last verified on 11-05-2026
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