Practise Time, Speed and Distance MCQs MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Time, Speed and Distance MCQs through multiple-choice questions in Maths. This subtopic contains 295 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: 15
Explanation Time = Distance / Speed Time = 15 km / 80 kmph = 0.1875 hours Multiply by 60 to convert to minutes: 0.1875 x 60 = 11.25 minutes Now, find the time at 60 kmph: Time = 15 km / 60 kmph = 0.25 hours Multiply by 60 to convert to minutes: 0.25 x 60 = 15 minutes Answer: 15 minutes
Answer: 20 days
Explanation Total work = 16 men × 10 days = 160 man-days Time for 8 men = frac{160}{8} 160 /8 = 20 days
Answer: 15 lawns
Explanation To find the number of lawns completed in 10 hours, we can set up a proportion: 2 hours / 3 lawns = 10 hours / x lawns We can then cross-multiply and solve for x: 2x = 3 × 10 2x = 30 x = 30/2 x = 15 So, in 10 hours, 15 lawns will be completed.
Answer: 10 Hours
Explanation To calculate the duration between 21:30 (9:30 PM) and 7:30 (7:30 AM), follow these steps: Convert to 24-Hour Format: Departure: 21:30 Arrival: 07:30 (next day) Calculate Duration: From 21:30 to midnight (00:00): 2 hours 30 minutes From midnight to 07:30: 7 hours 30 minutes Total duration: 2:30 + 7:30 = 10 hours Therefore, the correct answer is B. 10 Hours.
Answer: True
Explanation 32 minutes after 7:00 = 7:32 - 28 minutes before 8:00 = 7:32 Since both refer to 7:32, the statement is True
Answer: 5 hrs
Explanation Convert the speed from km/hr to km/s: Given speed = 90 km/hr 1 km = 1000 m 1 hr = 3600 s Speed = 90 * 1000 / 3600 = 25 m/s Calculate the time taken using the formula time = distance / speed: Given distance = 450 km = 450000 m Time = 450000 m / 25 m/s = 18000 s Convert the time from seconds to hours: 1 hr = 3600 s Time = 18000 s / 3600 = 5 hrs
Answer: 8 years
Explanation Given: - Ratio of ages of A and B = 6 : 5 - After 5 years, ratio = 9 : 8 Let the ages be: A = 6x B = 5x After 5 years: (A + 5) / (B + 5) = 9 / 8 => (6x + 5) / (5x + 5) = 9 / 8 Cross multiply: 8(6x + 5) = 9(5x + 5) 48x + 40 = 45x + 45 48x - 45x = 45 - 40 3x = 5 x = 5 / 3 Age difference = A - B = 6x - 5x = x = 5/3 years
4.2 سینٹی میٹر کے رداس اور 60° کے مرکزی زاویہ والے حصے کا رقبہ کیا ہے، اگر π کا تخمینہ 22/7 ہے؟
Answer: 9.24 cm²
Explanation To find the area of a section with a central angle of 60° and a radius of 4.2 cm, we can use the formula for the area of a sector of a circle: Area of sector = (θ/360) * π * r^2 Where : θ is the central angle in degrees π is approximately 22/7 r is the radius of the circle Given : θ = 60° π ≈ 22/7 r = 4.2 cm Substituting the values into the formula : Area of sector = (60/360) * (22/7) * (4.2)^2 = (1/6) * (22/7) * 17.64 ≈ (1/6) * 22 * 2.52 ≈ (11/3) * 2.52 ≈ 9.24 cm² Therefore, the area of the sector is approximately 9.24 square centimeters.
Answer: 62.5 gallons
Explanation Fuel consumption is directly proportional to distance. 50/ 320 =x/ 400 x = 50 x 400 / 320 = 62.5
Answer: 12
Explanation Let’s find the lengths of all three sides using the distance formula: A(0,4), B(0,0), C(3,0) AB = √[(0−0)² + (4−0)²] = √[16] = 4 BC = √[(3−0)² + (0−0)²] = √[9] = 3 CA = √[(3−0)² + (0−4)²] = √[9 + 16] = √25 = 5 Perimeter = AB + BC + CA = 4 + 3 + 5 = 12
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