Advertisements
Advertisements
Question
Find the compounded ratio of the following:
3 : 5, 7 : 9 and 15 : 28
Advertisements
Solution
Compounded ratio of 3:5, 7:9 and 15: 28
= `3/5 xx 7/9 xx 15/28`
= `1/4`
Compounded ratio = 1 : 4
APPEARS IN
RELATED QUESTIONS
If r2 = pq , show that p : q is the duplicate ratio of (p+r) : ( q+r)
Divide a number into two parts in the ratio 5:7 so that smaller part is 60. Find the number.
The ratio of the pocket money saved by a boy and his sister is 5:4. If the brother saves Rs 100 more, how much more should the sister save in order to keep the ratio of their savings unchanged ?
Divide Rs. 720 between Sunil, Sbhil and Akhil. So that Sunil gets 4/5 of Sohil’s and Akhil’s share together and Sohil gets 2/3 of Akhil’s share.
If x, y, and z are in continued proportion, then which of the following is true:
x : y = x : z
Arrange the following ratios in ascending order of magnitude: 2 : 3, 17 : 21, 11 : 14 and 5 : 7
The ratio of the number of boys to the number of girls in a school of 560 pupils is 5 : 3. If 10 new boys are admitted, find how many new girls may be admitted so that the ratio of the number of boys to the number of girls may change to 3 : 2.
40 men can finish a piece of work in 26 days. How many men will be needed to finish it in 16 days?
Choose the correct answer from the given options :
When the number 210 is increased in the ratio 5 : 7, the new number is
At the parking stand of Ramleela ground, Kartik counted that there are 115 cycles, 75 scooters and 45 bikes. Find the ratio of the number of cycles to the total number of vehicles.
