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Anu normally takes 4 hours more than the time taken by Sachin to walk D km. If Anu doubles her speed, she can make it in 2 hours less than that of Sachin. How much time does Sachin require for walking D km?
- a)10 hours
- b)4 hours
- c)8 hours
- d)9 hours
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Anu normally takes 4 hours more than the time taken by Sachin to walk ...
Let Sachin takes x hours to walk D km.
Then, Anu takes (x + 4) hours to walk D km.
With double of the speed, Anu will take (x + 4)/2 hours.
x – (x + 4)/2 = 2
⇒ 2x – (x + 4) = 4
⇒ 2x – x – 4 = 4
x = 4 + 4 = 8 hours
Then, Anu takes (x + 4) hours to walk D km.
With double of the speed, Anu will take (x + 4)/2 hours.
x – (x + 4)/2 = 2
⇒ 2x – (x + 4) = 4
⇒ 2x – x – 4 = 4
x = 4 + 4 = 8 hours
Most Upvoted Answer
Anu normally takes 4 hours more than the time taken by Sachin to walk ...
Let Sachin takes x hours to walk D km.
Then, Anu takes (x + 4) hours to walk D km.
With double of the speed, Anu will take (x + 4)/2 hours.
x – (x + 4)/2 = 2
⇒ 2x – (x + 4) = 4
⇒ 2x – x – 4 = 4
x = 4 + 4 = 8 hours
Then, Anu takes (x + 4) hours to walk D km.
With double of the speed, Anu will take (x + 4)/2 hours.
x – (x + 4)/2 = 2
⇒ 2x – (x + 4) = 4
⇒ 2x – x – 4 = 4
x = 4 + 4 = 8 hours
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Community Answer
Anu normally takes 4 hours more than the time taken by Sachin to walk ...
Let's assume that Sachin takes x hours to walk D km.
- Anu normally takes 4 hours more than Sachin to walk the same distance. So, Anu takes (x + 4) hours to walk D km.
- If Anu doubles her speed, she can complete the distance in 2 hours less than Sachin. So, Anu takes (x - 2) hours to walk D km.
To find the value of x, we can set up an equation using the given information:
(x + 4) = 2(x - 2)
Simplifying the equation:
x + 4 = 2x - 4
Bringing like terms together:
x - 2x = -4 - 4
-x = -8
Dividing both sides by -1:
x = 8
Therefore, Sachin requires 8 hours to walk D km.
Hence, the correct answer is option C) 8 hours.
- Anu normally takes 4 hours more than Sachin to walk the same distance. So, Anu takes (x + 4) hours to walk D km.
- If Anu doubles her speed, she can complete the distance in 2 hours less than Sachin. So, Anu takes (x - 2) hours to walk D km.
To find the value of x, we can set up an equation using the given information:
(x + 4) = 2(x - 2)
Simplifying the equation:
x + 4 = 2x - 4
Bringing like terms together:
x - 2x = -4 - 4
-x = -8
Dividing both sides by -1:
x = 8
Therefore, Sachin requires 8 hours to walk D km.
Hence, the correct answer is option C) 8 hours.
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Anu normally takes 4 hours more than the time taken by Sachin to walk D km. If Anu doubles her speed, she can make it in 2 hours less than that of Sachin. How much time does Sachin require for walking D km?a)10 hoursb)4 hoursc)8 hoursd)9 hoursCorrect answer is option 'C'. Can you explain this answer?
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Anu normally takes 4 hours more than the time taken by Sachin to walk D km. If Anu doubles her speed, she can make it in 2 hours less than that of Sachin. How much time does Sachin require for walking D km?a)10 hoursb)4 hoursc)8 hoursd)9 hoursCorrect answer is option 'C'. Can you explain this answer? for Quant 2024 is part of Quant preparation. The Question and answers have been prepared according to the Quant exam syllabus. Information about Anu normally takes 4 hours more than the time taken by Sachin to walk D km. If Anu doubles her speed, she can make it in 2 hours less than that of Sachin. How much time does Sachin require for walking D km?a)10 hoursb)4 hoursc)8 hoursd)9 hoursCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Quant 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Anu normally takes 4 hours more than the time taken by Sachin to walk D km. If Anu doubles her speed, she can make it in 2 hours less than that of Sachin. How much time does Sachin require for walking D km?a)10 hoursb)4 hoursc)8 hoursd)9 hoursCorrect answer is option 'C'. Can you explain this answer?.
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