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प्रश्न
If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is
विकल्प
50
4
10
8
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उत्तर
If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is 8
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संबंधित प्रश्न
If a, b and c are in continued proportion, prove that: a: c = (a2 + b2) : (b2 + c2)
Find the value of the unknown in the following proportion :
5 : 12 :: 15 : x
Find the fourth proportion to the following:
3,5 and 15
Find two numbers whose mean proportional is 18 and the third proportional is 486.
Show that the following numbers are in continued proportion:
36, 90, 225
If a, b, c, d are in continued proportion, prove that: `((a - b)/c + (a - c)/b)^2 - ((d - b)/c + (d - c)/b)^2 = (a - d)^2 (1/c^2 - 1/b^2)`.
If 7 : 5 is in proportion to x : 25, then ‘x’ is
A gets double of what B gets and B gets double of what C gets. Find A : B and B : C and verify whether the result is in proportion or not
Determine if the following are in proportion.
24, 28, 36, 48
The table, given below, shows the values of x and y, where x is proportional (directly proportional) to y.
| x | A | 24 | 15 |
| y | 12 | B | 20 |
The values of A and B are:
