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: 43,200 seconds
Explanation 12 hours to seconds: 1 hour = 3600 seconds 1 , text{hour} = 3600 , text{seconds} 12 hours × 3600 = 43 , 200 seconds 12 , text{hours} times 3600 = 43,200 , text{seconds} Answer: 43,200 seconds
Answer: 48 hours
Explanation Basic hourly rate = 2000 ÷ 40 = Rs. 50/hr Overtime rate = 50 + 25% of 50 = 50 + 12.5 = Rs. 62.5/hr Let overtime hours = x Total wage = Rs. 2000 + 62.5x = 2500 62.5x = 500 → x = 8 hours Total hours = 40 + 8 = 48 hours
Answer: 36 km
Explanation To find the range (d) of a TV transmitter antenna, we use the line-of-sight formula: d ≈ √(2 × h × R) Where: - d = distance to the horizon in kilometers - h = height of the antenna in kilometers - R = radius of Earth ≈ 6371 km Convert height: h = 100 m = 0.1 km Now plug in: d ≈ √(2 × 0.1 × 6371) ≈ √1274.2 ≈ 35.7 km So, the range is approximately 36 km
Answer: 150000 cm/min
Explanation To convert 90 km/h into cm/min: 1 km = 100,000 cm 1 hour = 60 minutes So, 90 km/h = 90 × 100,000 cm / 60 min = 9,000,000 cm / 60 min = 150,000 cm/min
Answer: 36 men
Explanation We are given: 24 men complete the work in 16 days → 1 man's 1-day work = 1/24×16=1/384 32 women complete the work in 24 days → 1 woman's 1-day work = 1/32×24=1/768 16 men and 16 women work for 12 days Step 1: Work done by 16 men and 16 women in 12 days Work done by 16 men in 1 day = 16×1/384=16/384=1/24 Work done by 16 women in 1 day = 16×1/768=16/768=1/48 Total work done in 1 day = 1/24+1/48=2/48+1/48=3/48=1/16 Total work done in 12 days = 12×1/16=12/16=¾ Step 2: Work remaining Total work = 1 Work done = ¾ Work remaining = 1−3/4=1/4 Step 3: Additional men required The remaining work must be completed in 2 days. Let x be the number of additional men needed. Work done by (16 + x) men in 1 day = (16+x)×1384(16 + x) Work done in 2 days = 2×(16+x)×1384=142 Solving for x : (16+x)×2/384=¼ 16+x=1/4×384/2=384/8=48 x=48−16=32 The closest option is 36 men
Answer: 30 km/h .
Explanation To calculate average speed, use the formula: Average Speed = Total Distance/ Total Time Given: Total Distance = 60 km Total Time = 2 hours Now, substitute these values into the formula: text{Average Speed} = frac{60}{2} = 30 , text{km/h} Average Speed = 60 /2 = 30 km/h
Answer: 50 km/h
Explanation Average speed = Total distance ÷ Total time = 150 km ÷ 3 h = 50 km/h
Answer: 60 cm
Explanation 250 mm + 350 mm = 600 mm Since 10 mm = 1 cm, 600 mm ÷ 10 = 60 cm
Answer: 18
Explanation → In 1 week: 3 (Sunday) + 6 × 1 = 9 miles → 2 weeks = 9 × 2 = 18 miles
Answer: 300 km
Explanation Distance per litre = 120 ÷ 6 = 20 km. For 15 litres = 20 × 15 = 300 km .
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