Advertisements
Advertisements
Question
Write (T) for true and (F) for false in case of the following:
36 : 45 : : 80 : 100
Options
True
False
Solution
36 : 45 : : 80 : 100
Product of means = 45 × 80 = 3600
Product of extremes = 36 × 100 = 3600
Product of means = Product of extremes
Hence, (T).
APPEARS IN
RELATED QUESTIONS
Using properties of proportion, solve for x:
`(sqrt(x + 1) + sqrt(x - 1))/(sqrt(x + 1) - sqrt(x - 1)) = (4x - 1)/2`
Find the value of the unknown in the following proportion :
3 : 4 : : p : 12
Find the fourth proportion to the following:
3,5 and 15
Find the fourth proportion to the following:
0.7, 4.9 and 1.6
Find the fourth proportional to:
2xy, x2, y2
Write (T) for true and (F) for false in case of the following:
45 km : 60 km : : 12 h : 15 h
If the cost of a dozen soaps is Rs 285.60, what will be the cost of 15 such soaps?
Find the missing number in the box in the proportions:
`square/45 = 16/40 = 24/square`
The quarterly school fee in Kendriya Vidyalaya for Class VI is Rs. 540. What will be the fee for seven months?
Are the following statements true?
7.5 litres : 15 litres = 5 kg : 10 kg