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Let the usual speed be x km/hr New speed = 125% of x = 5x/4 km/hr Distance = 247.5 km According to the question 247.5/x – 247.5/(5x/4) = 90/60 247.5 x [(5 – 4)/5x] = 3/2 Therefore, x = 247.5 x (1/5) x (2/3) = 33 km/hr
Immediate and ultimate source of nitrogen is
Vegetatively propagated crops are usually:
The average land holding of a marginal farmer in India is
Which one of the following is a micro-nutrients in plants?
‘Murrah’ is a popular breed of
The term to refer a shoot with a different colour flower or leaf that may arise in a group of plants is
Cut or excised leaves remain green for long if induced to root or dipped in_____
Green manure crop suitable for alkaline and water logged soil is
Which fertilizer has 2 primary essential nutrients?
A vertical marketing system is:
