8. The persent age of Sreelata is 2/7th of Pinki's present age and seven years ago Pinki's age was 5 times the present age of Ronit. If after 18 vears Ronit will be 25 years old, then what is the present age (in years) of Sreelata ? 1) 15 3) 22 4) 18 5) 12 2) 10.
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Answer:
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Step-by-step explanation:
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
Verified answer
Answer:
Let the present ages of Sreelata, Pinki and Ronit be S, P and R, respectively.
S = 2P/7 …(1)
P-7 = 5R …(2)
R+18 = 25 …(3)
From (3), R = 25–18 = 7 years.
From (2), P = 5R+7 = 5*7 + 7 = 35 + 7 = 42 years.
From (1), S = 2P/7 = 2*42/7 = 12 years.
At present, Sreelata is 12 years, Pinky is 42 years and Ronit is 7 years. Answer
Step-by-step explanation:
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