Advertisements
Advertisements
Question
Reduce the following ratio to their lowest term:
3 years 4 months : 5 years 5 months.
Solution
3 years 4 months : 5 years 5 months
= (3 × 12 + 4) : (5 × 12 + 5) .............(∵ 1 year = 12 months)
= 40 : 65
= `40/65=8/13=8:13`
APPEARS IN
RELATED QUESTIONS
Calculate the ratio in which the line joining A(−4, 2) and B(3, 6) is divided by point P(x, 3). Also, find
- x
- length of AP.
Find the compound ratio of 2 : 3, 9 : 14 and 14 : 27
There are 36 members in a student council in a school and the ratio of the number of boys to the number of girls is 3 : 1. How any more girls should be added to the council so that the ratio of the number of boys to the number of girls may be 9 : 5?
Find the ratio of the following in the simplest fcrm:
5.60 and 2.40
If a : b = 4 : 7, find the following:
`(6"a" - "b")/("a" + 3"b")`
If a,b,c are in continued proportion,
show that: `("a"^2 + "b"^2)/("b"("a" + "c")` = `("b"("a" + "c"))/("b"^2 + "c"^2)`
A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 84 kg?
State true or false :
A ratio equivalent to 7 : 9 is 27 : 21.
Is the ratio of 15 kg and 35 kg same as the ratio of 6 years and 14 years?
Find the fourth proportional of 3, 12 and 4
If (4x + 3y) : (3x + 5y) = 6 : 7, find x, if y = 10
The length of two ropes are in the ratio 7 : 5. Find the length of:
(i) shorter rope, if the longer one is 22.5 m
(ii) longer rope, if the shorter is 9.8 m.
In the example below, find the proportion of the first number to the second.
63, 49
Find the ratio of the first quantity to the second.
25 beads, 40 beads
Snehal has a red ribbon that is 80 cm long and a blue ribbon, 2.20 m long. What is the ratio of the length of the red ribbon to that of the blue ribbon?
Find the sub-duplicate ratio of `(1)/(4) : (1)/(9)`
In a mixture of 45 litres, the ratio of milk to water is 13 : 2. How much water must be added to this mixture to make the ratio of milk to water as 3 : 1 ?
A ratio will always be more than 1.
Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per 4000 males in a town.
Consider the statement: Ratio of breadth and length of a hall is 2 : 5. Complete the following table that shows some possible breadths and lengths of the hall.
|
Breadth of the hall (in metres) |
10 |
`square` |
40 |
|
Length of the hall (in metres) |
25 |
50 |
`square` |
