Advertisements
Advertisements
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
Advertisements
उत्तर
If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is 8
APPEARS IN
संबंधित प्रश्न
Given four quantities a, b, c and d are in proportion. Show that: (a – c)b2 : (b – d)cd = (a2 – b2 – ab) : (c2 – d2 – cd)
Using properties of proportion, solve for x:
`(3x + sqrt(9x^2 - 5))/(3x - sqrt(9x^2 - 5)) = 5`
Find the mean proportion of the following :
0.09 and 0.25
If a, b, c and dare in continued proportion, then prove that
ad (c2 + d2) = c3 (b + d)
Find the fourth proportional to 3, 12, 15
Find the third proportional to `5(1)/(4) and 7.`
Find the value of x in each of the following proportions:
51 : 85 : : 57 : x
If a, b, c, d are in continued proportion, prove that: (a + d)(b + c) – (a + c)(b + d) = (b – c)2
Fill the boxes using any set of suitable numbers 6 : `square` : : `square` : 15
Determine if the following are in proportion.
24, 28, 36, 48
