Question
The ratio of two numbers is 4:5. If each number is
decreased by 4, the ratio becomes 7:9. Find the smaller numbers.Solution
Let the two numbers be 4x and 5x. => (4x-4)/(5x-4) = 7/9 => 36x – 36 = 35x – 28 => x = 8 The smaller numbers = 4 × 8 = 32
The amount of basalin 45 EC for a plot of 50 m x 40 m at recommended rate of fluchloralin at 0.75 kg/ha is
. Which of the following fish is viviparous?
Water analysis of a bore well reports as under
CO32- : 1.2 mel-1
HCO32- : 4.0 mel-1
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Pride of India is a variety of......... crop.
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Who formulated the criteria of essentiality of nutrients in plants?
MB plough, for tractor pull can work in per day (2 bottom)?
Cyclamate is how many times sweeter than sucrose
How much photoperiod (hours) is required by long day plants?
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