English, asked by samuelgarasiya77, 5 months ago

*એક ગાડીના દરેક પૈડાનો વ્યાસ 80 સેમી છે. જો ગાડી 66 કિમી/કલાક ઝડપે મુસાફરી કરે તો દરેક પૈડું 10 મિનિટમાં કેટલા પરિભ્રમણ પૂર્ણ કરશે ?*

1️⃣ 4300
2️⃣ 4325
3️⃣ 4375
4️⃣ 4400​

Answers

Answered by amitnrw
1

Given : એક ગાડીના દરેક પૈડાનો વ્યાસ 80 સેમી છે.  ગાડી 66 કિમી/કલાક ઝડપે મુસાફરી કરે

The diameter of each wheel of a vehicle is 80 cm. The vehicle travels at a speed of 66 km / h,

To Find :  દરેક પૈડું 10 મિનિટમાં કેટલા પરિભ્રમણ પૂર્ણ કરશે

how many rotations will each wheel complete in 10 minutes

1️⃣ 4300

2️⃣ 4325

3️⃣ 4375

4️⃣ 4400​

Solution:

Speed = 66 km/hr

Time = 10 min

=>Time = 10/60 = 1/6 hr

=> Distance = 66 x (1/6) = 11 km

1 km = 1000 m

1 m = 100 cm

=> 1km = 1000x 100 = 100000 cm

Distance = 11 x 100000 cm

=> Distance = 1100000 cm

diameter of each wheel of a vehicle is 80 cm

=> Distance covered in one rotation =  πd

= (22/7) 80 cm

= 1760/7 cm

Number of rotations =  1100000 / ( 1760 /7)

=7700000/1760

= 4,375

rotations each wheel complete in 10 minutes  = 4375

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Answered by KrishnaKumar01
1

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3) 4375

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