Find the reciprocal ratio of 4 : 7

योग

Reciprocal ratio of 4 : 7 = 7 : 4.

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अध्याय 6: Ratio and Proportion - Exercise 7.1

अध्याय 6 Ratio and Proportion
Exercise 7.1 | Q 7.1

If (a – b) : (a + b) = 1 : 11, find the ratio (5a + 4b + 15) : (5a – 4b + 3).

Find duplicate ratio of 3 : 4

Find the sub-duplicate ratio of the following :

x⁶ : y⁴

Find the reciprocal ratio of e following :

`17/45 : 51/27`

If `(by + cz )/(b^2 + c^2) = (cz + ax)/(c^2 + a^2) = (ax + by)/(a^2 + b^2)` then show that each ratio is equal to `x/a = y/b = z/c`.

Two numbers are in the ratio 10: 11. Their sum is 168. Find the numbers.

Which ratio is greater:

`8/15` or `5/9`

Make set of all possible proportions from the numbers 15, 18, 35 and 42.

The ages of A and B are in the ratio 6 : 5. If A’s age is 18 years, find the age of B.

`3/8 = 15/40`