Ratio of 3 m to 200 cm = _____________

Fill in the Blanks

Ratio of 3 m to 200 cm = 3 : 2

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Chapter 3: Ratio and Proportion - Exercise 3.1 [Page 51]

Chapter 3 Ratio and Proportion
Exercise 3.1 | Q 1. (ii) | Page 51

If a: b = 4: 7, find the following:

`(5"a" + 2"b")/(5"a" - 2"b")`

Find the sub-duplicate ratio of the following :

x⁶ : y⁴

Find:
The sub-duplicate ratio of the sub-triplicate ratio of 4096x⁶: 729y¹².

If x : y = 2 : 3, find the value of (3x + 2y) : (2x + 5y).

If (x - 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.

Check whether the following quantities form a proportion or not?

`2 1/2, 5 1/2, 3.0 "and" 6.0`

Find the mean proportion between 0.06 and 0.96

If the cost of 30 packets of 8 pencils each is Rs 600, what is the cost of 25 packets of 12 pencils each?

Akilan walks 10 km in an hour while Selvi walks 6 km in an hour. Find the simplest ratio of the distance covered by Akilan to that of Selvi.

See the figure and find the ratio of number of circles to all the figures inside the rectangle.