Advertisements
Advertisements
प्रश्न
Write the mean and extreme terms in the following ratios and check whether they are in proportion.
400 gm is to 50 gm and 25 rupees is to 625 rupees
Advertisements
उत्तर
400 : 50, 25 : 625
Product of the extremes = 400 × 625
= 250000
Product of the means = 50 × 25 = 1250
a × d ≠ b × c
∴ They are not in proportion
APPEARS IN
संबंधित प्रश्न
6 is the mean proportion between two numbers x and y and 48 is the third proportional of x and y. Find the numbers.
Find the mean proportional between a – b and a3 – a2b
Check whether the following numbers are in continued proportion.
1, 2, 3
Find the mean proportion of the following :
24 and 6
If p, q and r in continued proportion, then prove the following:
(p + q + r )(p - q + r) = p2 + q2 + r2
If `a/b = c/d = r/f`, prove that `((a^2b^2 + c^2d^2 + e^2f^2)/(ab^3 + cd^3 + ef^3))^(3/2) = sqrt((ace)/(bdf)`
Determine if the following numbers are in proportion:
22, 33, 42, 63
5 : `square` : : 10 : 8 : : 15 : `square`
The quarterly school fee in Kendriya Vidyalaya for Class VI is Rs. 540. What will be the fee for seven months?
If x + y + z = 0, the value of `x/(y + z)` is ______.
