Question
Ratio of present ages of A and B is 6:5, respectively. C
who is 6 years older than A will become 60 years older after 12 years. Find the present age of B.Solution
Let, present ages of A and B be ‘6x’ years and ‘5x’ years respectively. So, 6x + 6 = 60 – 12 6x = 42 x = 7 Present age of B = 5x = 35 years
One acre is equivalent to
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Statement A: Acidic soils have a pH value below 7, indicating high alkalinity.
<...The full form of UNCTAD is:
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