Advertisements
Advertisements
Question
If the weight of 40 books is 8 kg, then the weight of 15 books is 3 kg
Options
True
False
Advertisements
Solution
True
Explanation;
Hint: Weight of 1 book = `8/40 = 1/5` kg
Weight of 15 books = `1/5 xx 15` = 3 kg
APPEARS IN
RELATED QUESTIONS
If a/b = c/d prove that each of the given ratio is equal to `sqrt((3a^2 - 10c^2)/(3b^2 - 10d^2))`
If a, b and c are in continued proportion, prove that `(a^2 + ab + b^2)/(b^2 + bc + c^2) = a/c`
Find the third proportion to the following :
(x - y) and m (x - y)
If 25 : 35 : : 45 : x, then the value of x is
If a, b, c and d are in proportion, prove that: `(a + c)^3/(b + d)^3 = (a(a - c)^2)/(b(b - d)^2)`
Are the ratios 25g: 30g and 40 kg: 48 kg in proportion?
If two ratios are equal, then they are in ______.
A recipe calls for 1 cup of milk for every `2 1/2` cups of flour to make a cake that would feed 6 persons. How many cups of both flour and milk will be needed to make a similar cake for 8 people?
Determine if the following are in proportion.
33, 121, 9, 96
In the proportional statement p : q :: r : s, which pair of terms represents the means, and which pair represents the extremes?
