(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Ratio & Proportion

(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Ratio & Proportion

1. The ratio of expenditure and savings of a person is 26: 3. If his monthly income is 7250, then what is his monthly savings.

(a) 290
(b) 350
(c) 750
(d) 780

2. 750 is distributed in A, B and C such that A : B = 5 : 2, B : C = 7: 13 then what is A’s part?

(a) 140
(b) 250
(c) 260
(d) 350

3. 60m of a uniform wire weight 80 kg. What will 141 m of the same wire weight ?

(a) 144 kg
(b) 188 kg
(c) 288 kg
(d) 282 kg

4. Ratio between two numbers is 5 : 6 and sum of their squares is 549. The numbers are

(a) 10, 12
(b) 15, 18
(c) 20, 24
(d) 30, 36

5. Ratio between three numbers is 1 : 2 : 3 and sum of their squares is 504. The numbers are

(a) 6, 12, 18
(b) 3, 6, 12
(c) 4, 8, 24
(d) 2, 4, 8

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