हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Find the Third Proportional of 27 and 9 - Mathematics

Advertisements
Advertisements

प्रश्न

Find the third proportional of 27 and 9

योग

उत्तर

Third proportional of 27 and 9

`= (9 xx9)/27 = 3`

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

APPEARS IN

सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 3.1

संबंधित प्रश्न

Find the compound ratio of 2 : 3, 9 : 14 and 14 : 27


Find the duplicate ratio of `2sqrt(2) : 3sqrt(5)`


Convert the following percentage to fractions and ratio:
0.3%


A sum of money Is divided in the ratio 2 : 3. If the larger portion is Rs 7,47,300. find the sum distributed. 


If a,b,c are in continued proportion,
show that: `("a"^2 + "b"^2)/("b"("a" + "c")` = `("b"("a" + "c"))/("b"^2 + "c"^2)`


Express the following ratios in its simplest form :
1 hour: 45 minutes


The hypotenuse of a right angled triangle is 3`sqrt(5)`. If the smaller side is tripled and the larger side is doubled, the new hypotenuse will be 15 cm. Find the length of each side.


Which is greater 4: 5 or 19: 25.


The ratio between two numbers is 3: 4. If their L.C.M., is 180. Find the numbers.


Express the given ratio in its simplest form: 6 months: `1 1/3` years


In the example below, find the proportion of the first number to the second.

24, 56


If y (3x – y) : x (4x + y) = 5 : 12. Find (x² + y²) : (x + y)².


A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 91 kg.


Find the ratio of:

35 minutes to an hour


Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father after 10 years to the age of son after 10 years.


3:33 = 33:333


Ratio of 5 paise to 25 paise is the same as the ratio of 20 paise to ______.


Fill in the following blanks:

`15/18 = square/6 = 10/square = square/30`

[Are these equivalent ratios?]


In a college, out of 4320 students, 2300 are girls. Find the ratio of number of boys to the number of girls.


Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of the father to the age of son, when son was 12 years old.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×