हिंदी

In case of inverse proportion, a2-=b2-

Advertisements
Advertisements

प्रश्न

In case of inverse proportion, `a_2/- = b_2/-`

रिक्त स्थान भरें
Advertisements

उत्तर

In case of inverse proportion, `a_2/underlinebb(a_1) = b_2/underlinebb(b_1)`

Explanation:

In inverse proportion,

⇒ `a_2/a_1 = b_2/b_1`

⇒ a2b1 = a1b2 

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Direct and Inverse Proportions - Exercise [पृष्ठ ३२०]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 8
अध्याय 10 Direct and Inverse Proportions
Exercise | Q 39. | पृष्ठ ३२०

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him by completing the following table:

Number of spokes 4 6 8 10 12
Angle between a pair
of consecutive spokes
90° 60° ... ... ...
  1. Are the number of spokes and the angles formed between the pairs of consecutive spokes in inverse proportion?
  2. Calculate the angle between a pair of consecutive spokes on a wheel with 15 spokes.
  3. How many spokes would be needed if the angle between a pair of consecutive spokes is 40°?

Which of the following quantities vary inversely as other?

The length x of a journey by bus and price y of the ticket.


55 cows can graze a field in 16 days. How many cows will graze the same field in 10 days?


6 pipes are required to fill a tank in 1 hour 20 minutes. How long will it take if only 5 pipes of the same type are used?


It takes 120 minutes to weed a garden with 6 gardeners. If the same work is to be done in 30 minutes, how many more gardeners are needed?


4 typists are employed to complete a work in 12 days. If two more typists are added, they will finish the same work in _________ days


If xy = 10, then x and y vary ______ with each other.


If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is ______ hours.


Write whether the following statement vary directly, vary inversely with each other, or neither of the two.

The height of a tree and the number of years.


Two persons could fit new windows in house in 3 days.

How many persons would be needed to fit the windows in one day?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×