Advertisements
Advertisements
प्रश्न
Are the following numbers in proportion 12, 15, 18 and 20?
Advertisements
उत्तर
12, 15, 18 and 20 are in proportion
if 12 : 15 = 18 : 20
if 12 x 20 = 15 x 18 .........`{"a"/"b"="c"/"d"⇒"ad"="bc"}`
if 240 = 270
which is not true.
12, 15, 18 and 20 are not in proportion.
APPEARS IN
संबंधित प्रश्न
If (x - 9) : (3x + 6) is the duplicate ratio of 4: 9, find the value of x.
if `x/a = y/b = z/c` prove that `(ax - by)/((a + b)(x - y)) + (by - cz)/((b + c)(y - z)) + (cz - az)/((c + a)(z - x)) = 3`
State true or false :
A ratio equivalent to 5 : 4 is 240 : 192
Express the given ratio in its simplest form: 22 : 66
A rectangular field is 100 m by 80 m. Find the ratio of breadth to its perimeter.
The 1st, 2nd, and 4th terms of a proportion are 12, 21, and 14 respectively. Its third term is
Show that 48, 60, 75 are in continued proportion.
From your school diary, write the ratio of the number of holidays to the number of working days in the current academic year
If the ratio of Green, Yellow and Black balls in a bag is 4 : 3 : 5, then
(a) Which is the most likely ball that you can choose from the bag?
(b) How many balls in total are there in the bag if you have 40 black balls in it?
(c) Find the number of green and yellow balls in the bag.
20 g : 100 g = 1 metre : 500 cm
