Practise 100 Most Repeated MCQs of Math MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.
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Answer: 48 cm²
Explanation The area of a rectangle is calculated by multiplying its length by its breadth: Area = Length × Breadth = 16 cm × 3 cm = 48 cm²
Answer: 66%
Explanation Step 1: Multiply the number of students in each class by their pass percentage - Class 1: 10 students × 20% = 2 passed - Class 2: 20 students × 30% = 6 passed - Class 3: 30 students × 60% = 18 passed - Class 4: 40 students × 100% = 40 passed Step 2: Add total passed students and total students - Total passed = 2 + 6 + 18 + 40 = 66 - Total students = 10 + 20 + 30 + 40 = 100 Step 3: Calculate the overall percentage Pass % = (66 / 100) × 100 = 66%
Answer: 34
Explanation the integers are consecutive, the middle integer must equal the “average”, or 102/3 = 34. Therefore, the integers are 32, 34, and 36. let three consecutive integers= x ,x+1,x+2 According to condition X+(x+1) +( x+2)=102 3x+ 3= 102 3x= 102-3 3x= 99 X= 99/3 X = 33 X+1= 33+1 X+1= 34 X+2= 34+2 X+2= 36 33, 34, 36 answer ***** ND04-12-2022
Answer: 31
Explanation The average weight of A, B, and C is 45 kg , so the total weight is 45 x 3 = 135 kg. The average weight of A and B is 40 kg , so their total weight is 40 x 2 = 80 kg. The average weight of B and C is 43 kg , so their total weight is 43 x 2 = 86 kg. Now, let's find the weight of B: Subtract the weight of A from the total weight of A and B: 80 kg - A = B Subtract the weight of C from the total weight of B and C: 86 kg - C = B Since the total weight of A, B, and C is 135 kg, we can set up the equation: A + B + C = 135 Substituting the expressions for B from steps 1 and 2, we get: (80 kg - B) + B + (86 kg - B) = 135 Simplifying the equation, we get: 166 kg - B = 135 Subtracting 166 kg from both sides: -31 kg = -B Dividing both sides by -1: B = 31 kg Therefore, the weight of B is 31 kg.
Answer: 25
Explanation The given series is a square of natural number (1)^2 = 1 (2)^2 = 4 (3)^2 =9 (4)^2 = 16 (5)^2 = 25
Answer: -7/3
Explanation let 2nd rational number is =x first rational number is = 4/5 According to given condition x*4/5=-28/15 5*4x/5=-28/15*5 1/4*4x=-28/3*1/4 x=-7/3
Answer: 6060
Explanation Total monthly income of 16 persons is Rs. 80800. Average monthly income = 16 80800 =Rs 5050 Since the income of the one of them is 120 % of the average income, Then his income is 100 120 ×5050= Rs. 6060.
Answer: Chord
Explanation A line segment whose endpoints lie on a circle is called a chord If that chord passes through the circle's center , it's a diameter If it's just a segment of a line that cuts the circle at two points, the full line is a secant.
Answer: 12
Explanation The even numbers between 1 and 25 are 12 Such as: 2,4,6,8,10,12,14,16,18,20,22, and 24.
Answer: 26.25
Explanation 0.75 percent *35 = (0.75:100)*35 = (0.75*35):100 = 26.25:100 = 0.2625
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