Match List - I with List - II :
List - I List - II A. Duration of 1 minute and 12 seconds is what percent of 1/2 hour ? I. 19 B. 30% of apples out of 30 are bad. The number of good apples is ____ II. 4 C. The population of a country increases from 25 million to 30 million. The percentage increase is ____ III. 21 D. 1.14 expressed as percent of 6.0 is ____ IV. 20
Choose the correct answer from the options given below :सूची - I को सूची - II से सुमेलित कीजिए :
सूची - I सूची - II A. 1 मिनट 12 सेकंड की अवधि 1/2 घंटे का कितना प्रतिशत है ? I. 19 B. 30 सेबों में से 30% खराब हैं। अच्छे सेबों की संख्या है ____ II. 4 C. किसी देश की जनसंख्या 25 मिलियन से बढ़कर 30 मिलियन हो जाती है। प्रतिशत वृद्धि है ____ III. 21 D. 6.0 के प्रतिशत के रूप में 1.14 है ____ IV. 20
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Correct answer: B. A-II, B-III, C-IV, D-I
Explanation
A: 1 min 12 s = 72 s and half an hour = 1800 s, so 72/1800 × 100 = 4 (A-II). B: 30% of 30 = 9 bad apples, so good apples = 30 − 9 = 21 (B-III). C: increase = 5 on 25, i.e. 5/25 × 100 = 20% (C-IV). D: 1.14/6.0 × 100 = 19 (D-I). Hence A-II, B-III, C-IV, D-I.A : 1 मिनट 12 सेकंड = 72 सेकंड तथा आधा घंटा = 1800 सेकंड, अतः 72/1800 × 100 = 4 (A-II)। B : 30 का 30% = 9 खराब सेब, अतः अच्छे सेब = 30 − 9 = 21 (B-III)। C : वृद्धि = 25 पर 5, अर्थात् 5/25 × 100 = 20% (C-IV)। D : 1.14/6.0 × 100 = 19 (D-I)। अतः उत्तर है A-II, B-III, C-IV, D-I।More Mathematical Reasoning and Aptitude questions
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