Ratio
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Ratio
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1. 3 equivalent jar are filled with solution of spirit and water. The proportion of sprit and water in first jar is 3:4 , second jar is 4:5 , and in third jar is 5:6 The solutions of these 3 jars are mixed into a bigger jar. What is the ratio of acid to water in the bigger jar?
2. If daily incomes of Kanchan and Priya are in the ratio 4:5,If their daily expense are in the ratio 5 : 6. If Kanchan saves Rs.25 per month and Priya saves Rs.50 per month, what are their daily incomes?
3. Wages of Khushboo and Meghna are in the ratio 2:3 If the salary of each is increased by Rs. 4000, the new ratio becomes 40:57. What is Meghna's initial salary?
4. If it’s given that 4a = 5b and 8b = 9c, find a:b:c.
5. A bag contains 50 p, 25 P and 10 p coins in the ratio 5: 9: 4, amounting to Rs. 206. Find the number of 10 Paise coins.
6. If (5x+3y): (5x-3y) =3:1, then x:y=?
7. Rs. 53 is isolated among A, B and C in a way that A gets Rs.7 more than what B gets and B gets Rs. 8 more than what C gets. The proportion of their offer is:
8. If x:y= 5:3 ,then 8x−5y / 8x+5y = ?
9. if 0.4 :1.4 ::1.4:x , then x= ?
10. Find the mean relative somewhere around 49 and 64.
11. If Rs. 782 be divided into3 parts, proportional to 1/2 , 2/3, 3/4 then find first part:
12. Rs.432 is divided amongst 3 partners Laxmi, Nikky and Ruby such that 8 times Laxmi’s share is equal to 12 times Nikky’s share which is equal to 6 times Ruby’s share. So Share of Laxmi is-
13. If (x+y): (x-y)= 4:1,then (x2+y2): (x2-y2)=?
14. If (4x2-3y%2) :( 2x2+5y2)= 12:19 , then x:y=?
15. Manu, Rajat and Bikram have some stones. Five times the number of stones with Rajat is equal to seven times the number of stones with Manu while five times the number of stones with Manu equals seven times the number of stones with Bikram. What is the minimum number of stones that can be there with all of them taking together?
16. if x2+4y2 = 4xy,then x:y = ?
17. If a:b =1:3, b:c = 5:7 and c:d = 9:8 ,find a:b:c:d.
18. A cat takes 5 leaps for every 4 leaps of dog but 3 leaps of dog are equal to 4 leaps of cat. What is ratio between speed of cat to dog?
19. Find the fourth proportional of 4,5 and 12.
20. The salary of A and B are in the ratio of 2:3 and their monthly expenses are in the proportion 5:9. If both of them save Rs 600 every month, then their salary.
21. A sum of Rs. 36.90 is made up of 180 coins which are either 10 paise coins or 25 p coins. The number of 10 p coins is:
22. If it’s given that a:b=2:3 and b:c=5:7, find a:b:c.
23. If 0.75:x::5:8, then X is equal to:
24. Find the third proportinal corresponding to 9 and 12.
25. Rs 4830 is divided among Ruby, Anumita and Tripti such that if Ruby's share decreases by Rs 5, Anumita's share decreases by Rs 10 and Tripti's share decreases by Rs 15, their shares will be in the ratio 5:4:3 Find the Anumita's original share

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