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: Greek
Explanation Pythagoras was an ancient Greek mathematician and philosopher. He is famous for the Pythagorean Theorem , which relates to right-angled triangles. Last verified on 01-04-2026
Answer: ≥
Explanation Greater than or equal to is represented by the symbol " ≥ ".
Answer: 79.2 km/hr
Explanation First, find the speed of the train past the telegraph post: Speed = Distance / Time = (Length of train) / 8 seconds Since the length of the train is not given, let's call it "x". Then, Speed = x / 8 Now, find the speed of the train past the bridge: Speed = Distance / Time = (Length of train + Length of bridge) / 20 seconds = (x + 264) / 20 Since the speed of the train is the same in both cases, set up an equation: x / 8 = (x + 264) / 20 Cross-multiply and solve for x: 20x = 8x + 2112 12x = 2112 x = 176 So, the length of the train is 176 meters. Now, find the speed of the train: Speed = x / 8 = 176 / 8 = 22 meters/second Convert the speed to km/hr: Speed = 22 m/s x (3600 s/h) / (1000 m/km) = 79.2 km/hr The correct answer is: 79.2 km/hr
Answer: 35
Explanation 3+4*(7+1)=? 3+4*8=3+32 =35
Answer: 10
Explanation Using Pythagoras' theorem: c² = a² + b² c² = 6² + 8² c² = 36 + 64 c² = 100 c = √100 c = 10 cm The length of the hypotenuse is 10 cm .
Answer: 24
Explanation You can easily calculate 18 is 75 percent of what number by using any regular calculator, simply enter 18 × 100 ÷ 75 and you will get your answer which is 24 .
Answer: 6 hours
Explanation Tap X can fill the tank in 10 hours, which means it fills 1/10 of the tank per hour. Tap Y can fill the tank in 15 hours, which means it fills 1/15 of the tank per hour. When both taps are opened together, their combined rate of filling the tank is the sum of their individual rates: (1/10 + 1/15) of the tank per hour To add these fractions, we need a common denominator, which is 30. So we get: (3/30 + 2/30) = 5/30 = 1/6 of the tank per hour Since they fill 1/6 of the tank per hour together , they will fill the entire tank in 6 hours.
Answer: 14
Explanation Suppose those integers are A and B and A is greater than B. Then,as per first condition ,A2+B2=100……………Equation-1. Next,as per second condition,A2 - B2=28……..Equation-2. Now,On adding the Eqn.-1 &2,we get 2 x A2=128 Hence,A2=64,So A=8. Putting this value in Eqn-1,we get B2=100–64=36,So B=6. Hence,their sum is 8+6= 14 .
Answer: 3/2
Explanation To solve the equation: 5/6 ÷ 5/9 When dividing by a fraction, multiply by its reciprocal: 5/6 × 9/5 = 9/6 Simplify the fraction: 9/6 = 3/2 Last verified on 02-04-2026
Answer: 50
Explanation That makes it 4 x 20 to get the total sum which is 80 80=5+10+15+x 80–30=x 50=x
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