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

In a Television game show, the prize money of Rs 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the number of winners?

Number of winners 1 2 4 5 8 10 20
Prize for each winner (in Rs) 1,00,000 50,000 ... ... ... ... ...

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

One of the persons fell ill before the work started. How long would the job take now?


It is known that for a given mass of gas, the volume v varies inversely as the pressure p. Fill in the missing entries in the following table:

v (in cm3) ... 48 60 ... 100 ... 200
p (in atmospheres) 2 ... 3/2 1 ... 1/2 ...

If x and y vary inversely as other and x = 5 when y = 15, find x when y = 12 .


Mary cycles at 6 km per hour. How long will she take to reach her Aunt’s house which is 12 km away? If she cycles at a speed of 4 km/hr, how long would she take?


A printer, prints a book of 300 pages at the rate of 30 pages per minute. Then, how long will it take to print the same book if the speed of the printer is 25 pages per minute?


If x varies inversely as y, then 

x 60
y 2 10

If p and q are in inverse variation then (p + 2) and (q – 2) are also in inverse proportion.


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.


In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions last?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×