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Quantitative Aptitude

RATIO AND PROPORTION MCQs

Ratio & Proportion, Ratio, Proportion

Total Questions : 895 | Page 56 of 90 pages
Question 551. The marks obtained by Vijay and Amith are in the ratio 4:5 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of?
  1.    2:1
  2.    5:3
  3.    6:5
  4.    5:6
 Discuss Question
Answer: Option C. -> 6:5


 4:5

 3:2

-------

  12:15:10

  12:10


  6:5


Question 552. Two same glasses are respectively 1/4th 1/5th full of milk. They are then filled with water and the contents mixed in a tumbler. The ratio of milk and water in the tumbler is?
  1.    3:8
  2.    9:31
  3.    8:21
  4.    10:27
 Discuss Question
Answer: Option B. -> 9:31


  1/4 : 3/4 = (1:3)5 = 5:15

  1/5 : 4/5 = (1:4)4 = 4:16

                                 ------


                                  9:31


Question 553. If A:B = 1/2: 1/3 B:C = 1/2:1/3 then A:B:C?
  1.    2:3:3
  2.    1:2:6
  3.    1/6:1/2:1/3
  4.    9:6:4
 Discuss Question
Answer: Option D. -> 9:6:4


  A:B = 1/2:1/3 = 3:2

  B:C = 1/2:1/3 = 3:2

           --------------------


             A:B:C = 9:6:4  


Question 554. Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 162. If the ratio of his marks in English and Maths is 3:5, find his marks in Science?
  1.    18
  2.    24
  3.    30
  4.    28
 Discuss Question
Answer: Option A. -> 18


 S:E = 1:3

  E:M = 3:5

 ------------

  S:E:M = 3:9:15


  3/27 * 162 = 18


Question 555. Divide Rs. 1500 among A, B and C so that A receives 1/3 as much as B and C together and B receives 2/3 as A and C together. A's share is?
  1.    Rs.600
  2.    Rs.525
  3.    Rs.375
  4.    Rs.0
 Discuss Question
Answer: Option C. -> Rs.375


A+B+C = 1500

A = 1/3(B+C); B = 2/3(A+C)

A/(B+C) = 1/3


A = 1/4 * 1500 => 375


Question 556. Rs.1170 is divided so that 4 times the first share, thrice the 2nd share and twice the third share amount to the same. What is the value of the third share?
  1.    Rs.260
  2.    Rs.270
  3.    Rs.360
  4.    Rs.540
 Discuss Question
Answer: Option D. -> Rs.540


A+B+C = 1170

4A = 3B = 2C = x

A:B:C = 1/4:1/3:1/2 = 3:4:6


6/13 * 1170 = Rs.540


Question 557. A, B and C have Rs.500 between them, A and C together have Rs.200 and B and C Rs.350. How much does C have?
  1.    Rs.50
  2.    Rs.75
  3.    Rs.100
  4.    Rs.150
 Discuss Question
Answer: Option A. -> Rs.50


  A+B+C = 500

       A+C = 200

       B+C = 350

       --------------

   A+B+2C = 550

    A+B+C 
=  500

        ----------------


                    C
= 50    


Question 558. The average monthly salary of laborers and supervisors in a factory is Rs.1250 per month; where as the average monthly salary of 6 supervisors is Rs.2450. If the average monthly salary of the laborers is Rs.950 find the number of laborers?
  1.    18
  2.    20
  3.    22
  4.    24
 Discuss Question
Answer: Option D. -> 24

The Average Monthly Salary Of Laborers And Supervisors In A...

1 ------ 6


4
------? ¨
24


Question 559. In a bag there are coins of 50 paisa, 25 paisa and one rupee in the proportion 5:6:2. If there are in all Rs.42, the number of 25 paisa coins is?
  1.    32
  2.    42
  3.    52
  4.    60
 Discuss Question
Answer: Option B. -> 42


5x              6x           2x

50              25           100

250x + 150x + 200x = 4200

600x
= 4200


x = 7 => 6x = 42


Question 560.


A and B together have Rs. 1210. If A And B Together Have Rs. 1210. If Of A's Amount Is Equal T... of A's amount is equal to A And B Together Have Rs. 1210. If Of A's Amount Is Equal T... of B's amount, how much amount does B have?

  1.    Rs. 460
  2.    Rs. 484
  3.    Rs. 550
  4.    Rs. 664
 Discuss Question
Answer: Option B. -> Rs. 484


4
A
=
2
B
15
5



A And B Together Have Rs. 1210. If Of A's Amount Is Equal T... A =
A And B Together Have Rs. 1210. If Of A's Amount Is Equal T...
2
x
15
A And B Together Have Rs. 1210. If Of A's Amount Is Equal T...B
5
4



A And B Together Have Rs. 1210. If Of A's Amount Is Equal T... A =
3
B
2



A And B Together Have Rs. 1210. If Of A's Amount Is Equal T...
A
=
3
B
2


A And B Together Have Rs. 1210. If Of A's Amount Is Equal T... A : B = 3 : 2.



A And B Together Have Rs. 1210. If Of A's Amount Is Equal T... B's share = Rs.
A And B Together Have Rs. 1210. If Of A's Amount Is Equal T...
1210 x
2
A And B Together Have Rs. 1210. If Of A's Amount Is Equal T...
= Rs. 484.
5


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