Advertisements
Advertisements
Question
Choose the correct answer from the given options :
Two numbers are in the ratio 7 : 9. If the sum of the numbers is 288, then the smaller number is
Options
126
162
112
144
Advertisements
Solution
Ratio in two number = 7 : 9
Sum of numbers = 288
Sum of ratios
= 7 + 9
= 16
Smaller number = `(288 xx 7)/(16)`
= 126
APPEARS IN
RELATED QUESTIONS
If A : B = 2 : 5 and A : C = 3 : 4, find: A : B : C.
If r2 = pq, show that p : q is the duplicate ratio of (p + r) : (q + r).
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 ?
Three persons start a business and spend Rs. 25,000; Rs. 15,000 atid Rs. 40,000 respectively. Find the share of each out of a profit of Rs. 14,400 in a year
If a : b = 1.5 : 3.5 and b : c = 5 : 6, find a : c.
Two numbers are in the ratio 9 : 2. If the smaller number is 320, find the larger number.
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.
A bus covers 128 km in 2 hours and a train covers 240 km in 3 hours. Find the ratio of their speeds.
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.
In a box, the ratio of red marbles to blue marbles is 7 : 4. Which of the following could be the total number of marbles in the box?
