हिंदी

From the following table, determine if x and y are in direct proportion or not. x 4 7 10 10 y 24 42 60 96

Advertisements
Advertisements

प्रश्न

From the following table, determine if x and y are in direct proportion or not.

x 4 7 10 16
y 24 42 60 96
योग
Advertisements

उत्तर

In direct proportion, `x/y = k`  ...(Constant)

For table 

x 4 7 10 16
y 24 42 60 96

⇒ `x/y = 4/24, 7/42, 10/60, 16/96`

i.e. `1/6, 1/6, 1/6, 1/6`

So, is in direct proportion.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Direct and Inverse Proportions - Exercise [पृष्ठ ३२३]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 8
अध्याय 10 Direct and Inverse Proportions
Exercise | Q 77. (ii) | पृष्ठ ३२३

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

In Question 2 above, if 1 part of a red pigment requires 75 mL of base, how much red pigment should we mix with 1800 mL of base?


Anupama takes 125 minutes in walking a distance of 100 metre. What distance would she cover in 315 minutes?


In 10 days, the earth picks up 2.6 × 108 pounds of dust from the atmosphere. How much dust will it pick up in 45 days?


A cistern has two inlets A and B which can fill it in 12 hours and 15 hours respectively. An outlet can empty the full cistern in 10 hours. If all the three pipes are opened together in the empty cistern, how much time will they take to fill the cistern completely?


By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should be ______.


It is given that l varies directly as m. Write an equation which relates l and m.


It is given that l varies directly as m. Find the constant of proportion (k), when l is 6 then m is 18.


The cost of 27 kg of iron is Rs 1,080, what will be the cost of 120 kg of iron of the same quality?


There are 20 grams of protein in 75 grams of sauted fish. How many grams of protein is in 225 gm of that fish?


The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold.

  1. How much money would Anju’s class make for selling 102 posters?
  2. Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not, why?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×