Question

What is the monthly salary of Pravin?
I. Pravin earns Rs 1,200 more than Aman.
II. The ratio between Aman's and Vimal's monthly salary is 5: 3.
III. Vimal earns Rs 1,000 less than Aman

• A. Any two on, II and III are required
• B. Only I and II are required
• C. Only II and III are required
• D. All I, II and III together are required
• E. None of these

Answer 1

The correct option is D All I, II and III together are required

Let monthly salary of Pravin =RsP=RsP and monthly salary of Aman=RsAAman=RsA.
(I) ⇒P=A+1200⇒P=A+1200
(II) ⇒AV=53⇒AV=53, where V is monthly salary of Vimal.
(III) ⇒A=V+1000⇒A=V+1000
Hence, all statements are necessary to answer the question.