Question
6 years ago, the average age of a family of five persons
was 38 years. In between these 6 years the family adopted a girl. Now at present the average age of the family is same as it was 6 years ago. Find the present age of the girl.Solution
Sum of the present age of the family excluding girl = 5 x (38 + 6) = 220 years Sum of the present age of the family including girl = 6 x 38 = 228 years Present age of the girl = 228 – 220 = 8 years
Which Indian institution is recognized as the apex body for coordinating horticultural research in India?
Ratio of yield of photochemical product to total number of quanta used is called as ___
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B. 2, 4-D
C. Bispyribac Sodium
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