The number of rounds that a wheel of diameter yy m will make in going 4 km is
  • a)
    1500
  • b)
    1700
  • c)
    2000
  • d)
    2500
Correct answer is option 'C'. Can you explain this answer?

Class 10 Question

By Smita Gupta · Dec 25, 2019 ·Class 10
48 Answers
Arushi Sen answered Dec 26, 2019
¶¶¶{ WHAT THE SILLY QUESTION }¶¶¶
¶¶ ABHISHEK said correct thing ¶¶

Mohamed Azeem answered Apr 25, 2020
Diameter=yy meters
So, radius=yy/2 meters
Distance=4 km, so 4000 m

Soln:

Circumference of circle is
2 x pi x radius
=> 2 x (22/7) x (yy/2)
=>yy = 7/22 x 2/2
yy = 14/44
yy = 7/11
yy/2 =7/22


So, circumference = 2 meters
For 2 meters = 1 rotation
So, 1 meter = 1/2 rotation

Rotation made in 4000 meters is
= 1/2 x 4000
= 2000

Hence proved!!!

Sunaina Singh answered Jul 09, 2020

Monty Taneja answered Feb 08, 2020
Answer is C - 2000

Mohit Bansal answered Dec 25, 2019
I think without diameter or radius.. it is not possible to find out the answer

Drishti Kumari answered May 15, 2020
I think there should be numerical value of diamter in place of this variable i.e , yy . Please check your question .

Tanishk Prasad answered May 27, 2020
Anwer c is corect

Sakshi answered Apr 10, 2020
C is right answer

Mohit Pandey answered Aug 06, 2020
2000 is the answer

Sahil Ansari answered Apr 11, 2020
This information is inappropriate

Kokila Raj answered Mar 10, 2020
Diameter should be 63.6

Santosh Mishra answered Jul 02, 2020
2500 is the answer

Vaibhav Mishra answered Mar 31, 2020
I can explain you history well if you say then I can

One Day Millionaire Nith answered Sep 02, 2020
2000 is the answer...

Md Kaif answered 2 weeks ago
The question makes no sense.

Keshav Kumar answered May 12, 2020
Answer is c _ 2000

Rah Pal answered Apr 10, 2020
Answer c is correct answer

Shabuddin Shabuddin Ansa answered Aug 08, 2020
Good question per dout ha

Faizan Faizan answered Aug 28, 2020
2000
answer ha bhai

Abhishek Sharma answered Jul 25, 2020
Ooo Bhai! 🙏🤯🥶🙄🙄🙄

Senbagam Senbagam answered Aug 19, 2020
If you say the exact value of the diameter I'll try to answer it

Abhishek Kumar answered Dec 25, 2019
Diameter should be given as 31cm instead of yy.

Saika Khan answered Jul 28, 2020
ᴄ ɪs ᴛʜᴇ ᴄᴏʀʀᴇᴄᴛ ᴏᴘᴛɪᴏɴ ʏʀʀ...

Priya answered 3 weeks ago
Answer c is correct

Yashraj Pandey answered Jun 05, 2020
Very wrong questions

Surinder Kumar answered Jul 15, 2020
"2000" is correct option.

Zahoor Mir answered Apr 06, 2020
Mis print in the question, data is missing and yy is misprint.

Renuka Hs answered Aug 10, 2020
C is the correct answer

User4279690 answered Feb 24, 2020
2000÷4=500

Punya Thakur answered Feb 13, 2020
You have to correct the question first ...

Anuj Gupta answered Jul 09, 2020
Question is incomplete we need diameter to find the answer

Sahil Soni answered Apr 27, 2020
Nacl(sodium chloride

Yash Jain answered Apr 27, 2020
Y*y=2y. dustance=4km=4000m

y=4000/2=2000

Manish Jani answered May 15, 2020
Yes C is the correct answer

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