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: 500 m
Explanation Given: Speed = 90 km/h Time = 20 seconds First, convert speed to m/s: Speed = 90 km/h × (1000 m/km) / (3600 s/h) Speed = 25 m/s Length of the train = Speed × Time Length = 25 m/s × 20 s Length = 500 m
Answer: 21
Explanation Let the required number of labourers be x Less working hour/day, More labours (Indirect proportion) More days, fewer labourers (Indirect proportion)
Answer: 22 ½ days
Explanation If A completes a work in 1 day, B completes the same work in 3 days Hence, if the difference is 2 days, B can complete the work in 3 days => if the difference is 60 days, B can complete the work in 90 days => Amount of work B can do in 1 day= 1/90 Amount of work A can do in 1 day = 3 × (1/90) = 1/30 Amount of work A and B can together do in 1 day = 1/90 + 1/30 = 4/90 = 2/45 => A and B together can do the work in 45/2 days = 22 ½ days
Answer: 400 m
Explanation Step 1: Calculate the perimeter of the square ground. The perimeter of a square is given by P = 4 × side length. Here, the side length is 20 meters. P = 4 × 20 = 80 meters Step 2: Calculate the total distance covered in 5 rounds. Total distance = Number of rounds × Perimeter Total distance = 5 × 80 = 400 meters
Answer: 245 m
Explanation Convert the speed of the train from km/hr to m/s: 45 km/hr = 45 × 1000 m / 3600 s = 12.5 m/s The train crosses the bridge in 30 seconds, so the total distance covered is the length of the train plus the length of the bridge. Let's call the length of the bridge "x". Then, the total distance = 130 m (train length) + x. Since the train crosses the bridge in 30 seconds, we can use the formula: Distance = Speed × Time Substitute the values: 130 m + x = 12.5 m/s × 30 s Simplify the equation: 130 m + x = 375 m Subtract 130 m from both sides: x = 245 m So, the length of the bridge is 245 m .
Answer: 720
Explanation Given: 6 men × 8 hours/day = total man-hours per day = 48 man-hours They earn Rs. 720 per week Now: 8 men × 6 hours/day = 48 man-hours per day — same total man-hours as before So, since the total man-hours per day (and thus per week) are the same, the weekly earnings will also be the same. Last verified on 02-04-2026
Answer: 10 minutes
Explanation The time taken is the difference between the arrival time and the departure time. arrival time: 6:45 departure time: 6:35 6:45 - 6:35 = 10 minutes.
Answer: 85
Explanation Step 1: Use the Diagonal Formula for a Square For a square with side length s s s , the diagonal d d d is given by: d = s 2 d = ssqrt{2} Substituting d = 30 d = 30 30 = s 2 30 = ssqrt{2} Step 2: Solve for s s = 30 2 s = frac{30}{sqrt{2}} Multiply numerator and denominator by 2 sqrt{2} to rationalize: s = 30 2 2 = 15 2 s = frac{30sqrt{2}}{2} = 15sqrt{2} Approximating 2 ≈ 1.414 sqrt{2} approx 1.414 2 s ≈ 15 × 1.414 = 21.21 Step 3: Calculate the Perimeter The perimeter P P of a square is: P approx 4 times 21.21 = 84.84 P=4s P≈4×21.21=84.84 The closest estimate is 85.
Answer: 900 litres
Explanation Volume of the tank = Length * Width * Height First, we need to convert the depth from centimeters to meters: 60 cm = 0.6 m Now, we can calculate the volume: Volume = 1.5 m * 1.0 m * 0.6 m = 0.9 cubic meters 1 cubic meter is equal to 1000 liters. So, 0.9 cubic meters = 0.9 * 1000 = 900 liters. Therefore, there are 900 liters of water in the tank.
Answer: 7 days
Explanation Work done by 10 women in 7 days = 1 Work done by 1 woman in 7 days = 1/10 Work done by 1 woman in 1 day = 1/(10 × 7) = 1/70 Work done by 10 children in 14 days = 1 Work done by 1 child in 14 days = 1/10 Work done by 1 child in 1 day = 1/(10 × 14) = 1/140 Work done by 5 women in 1 day = 5 × 1/70 = 5/70 = 1/14 Work done by 10 children in 1 day = 10 × 1/140 = 10/140 = 1/14 Total work done per day = 1/14 + 1/14 = 2/14 = 1/7 Total days required = 7 days
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