LAST TIME REVISION (RATIO AND PROPORTION)-1 ++

1) If 7A= 5B= 2C; find A: B: C .
a) 35: 40 :10 b) 14 :10 :35 c) 2:5 :7 d) 10: 14:35 

2) If a: b = 3:8, find the value of (5a - 3b)/(2 a + b).
a)  9/14 b) 14/9  c) - 9/14  d) - 14/9

3) If  A:B:C =1:3:5, what is the value of (4A - B + 2C)/3(A + B + C)?
a) 8/27 b) 10/27  c) 11/27 d) 1/3

4)  P/Q =R/S =T/U = 3/4,  then what is the value of (4P+ 5R+7T):(3Q+4S+7U)?
a) 12:19 b) 6:7 c) 3:4 d) 5:8

5) If 25% of X is equals to 40% of Y, then what is the ratio of X and Y
a) 8:5 b) 5 :3 c) 9:5 d) 4:5

6) If 35% of A is equals to 60% of B, the then what is the ratio of A and B?
a)  8:13 b) 12 :7  c) 2:3 d) 13:7 

7) Marks of two candidates x and y are in the ratio 4:7. If the marks of x is 140, then what will be the marks of y ?
a) 210  b) 180 c) 245 d) 225 

8) The bus fare between two cities is increased in the 5:11. Find the increase in the fare, if the original fare is Rs 275
a) 605  b) 121  c) 330 d) 242 

9) Two numbers are in the ratio 3:4. On increasing each of them by 30, the ratio becomes the 9 :10. The numbers are 
a) 30, 40 b) 15, 20 c) 12 ,16 d) 18, 24

10) Two numbers are in the ratio 7:5, On diminishing each of them by 40, the ratio becomes 27:17. The difference between the numbers is?
a) 75  b) 40 c) 25 d) 50 

11) The ratio 2 numbers is 2:3. If the sum of both the numbers is 75, then what is the larger number among both the numbers?
a) 45 b) 30 c) 50 d) 48

12) The ratio of three numbers is 3:6:8. If their product is 9216, then what is the sum of the three numbers?
a) 96 b) 72 c) 144 d) 68 

13) The ratio two numbers is 5:6. If their product is 1470, then what is the sum of both the numbers?
a) 210 b) 77 c) 132 d) 98

14) Of three positive numbers ,nthe ratio first and second is 5:2, ratio of second and third is 5:4, The product of first and third is 1800. What is the sum of the three numbers?
a) 43 b) 133 c) 119  d) 129 

15) The sum of the three numbers is 162. If the ratio of the first number to the second number is 5:7 and that of the second number to the third number is 5:3, then what is the second number ?
a) 35 b) 70 c) 80 d)  40 

16) 3 numbers are in the ratio 1/2: 2/3 :3/4. The difference between the greatest and the smallest number is 27. The average of three numbers is 
a) 40 b) 81 c) 69  d) 54 

17) If Simran's salary is 7/6 times of Owais and Khushi 's is 8/7 times of Owais, what is the ratio of Simran's salary to Khushi?
a) 49:48 b) 3:4 c) 4:3 d) 48:49

18) In any army selection process, the ratio of selected to unselected candidates was 9 : 2. If 80 less had applied and 20 lessnselected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process ?
a) 6160 b) 1540 c) 3080 d):9240 

19) In an examination, the success to failure ratio was 5:2. Had the number of failure been 14 more, then the success to failure ratio would have been 9:5. The total number of candidates who appeared for the examination was 
a) 210  b) 196 c):126 d) 203

20) x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y ?
a) 8 and 16 b) 16 and 32 c) 8 and 32 d) 16 and 16 

21) What is the ratio between the fourth proportion of 3, 4, 9 and the mean proportional between 2 and 98 ?
a) 7:8 b) 7:6 c) 8:7  d) 6:7 

22) Rs18200 is divided among X,Y, Z in the ratio 1/3 , 1/4 :1/2. What is the share in rupees of X?
a)  7000 b) 4400 c);4250 d):5600

23) Rs7750 is divided among X,y,z such that 3 times of X's share is equal to 5 times of y's share which is equal to 2 times of z's share . What is the share (in Rs) of z?
a) 4250  b) 3750 c) 3875 d) 4475

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