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Aptitude ratio and proportion questions and answer

1)a : b = 5 : 4 and b : c = 5 : 6, then what is a : c?
A) 18 : 13
B) 15 : 11
C) 25 : 24
D) 5 : 6

Answer:

Explanation:

2) If A : B = 3 : 4, B : C= 2 : 5, C : D = 5 : 7 then what is A : B : C : D ?
A) 3 : 5 : 10 : 14
B) 3 : 4 : 10 : 14
C) 4 : 5 : 3 : 14
D) 4 : 5 : 10 : 14

Answer:

Explanation:

3) If a : b = 2 : 5, b : c = 5 : 3, c : d = 4 : 5 and d is 50% more than e, find the ratio between a and e ?
A) 3 : 5
B) 5 : 4
C) 4 : 5
D) None of the above

Answer:

Explanation:

4) 4 chairs cost as much as 5 tables, 2 tables cost as much as 3 benches, 4 benches cost as much as 7 sofas. If the cost of 64 chairs is Rs. 21000. Find the cost of each sofa ?
A) 90
B) 900
C) 800
D) 100

Answer:

Explanation:

5) Rs.4800 is to distributed amongst A, B and C in the proportion 2 : 3 : 11. How much would C get ?
A) Rs.2500
B) Rs.1500
C) Rs.2000
D) Rs.3300

Answer:

Explanation:

6) Rs 124 is divided into three parts in the ratio 1 /2 : 1/3 : 1/5 what amounts to the first part ?
A) 62
B) 60
C) 24
D) 40

Answer:

Explanation:

7) Rs.312 is divided among A, B and C such that 2 times of A's, 3 times of B's and 4 times of C's shares are equal. What is the share of C ?
A) Rs.48
B) Rs.72
C) Rs.144
D) Rs.96

Answer:

Explanation:






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