Question
Which one of the following scientist defined the
criteria of essentiality of nutrients in plants?Solution
The term essential mineral element (or mineral nutrient) was proposed by Arnon and Stout (1939).Â
Maximum value of f(x) = 3 cos x + 4 sin x is:
If sin x + sin y = a and cos x + cos y = b, find sin(x + y):
? = (3.89 × 64.83 ÷ 12.96) 1.98 + 15.08% of 499.81
Simplify: (1 + i)³ / (1 + i³)
A man buys two cows for a total of $4,000. He sells one at a 20% profit and the other at a 20% loss. If the selling prices of both cows are the same, fi...
The simplified value of (452 x 452 x 452 – 356 x 356 x 356)/(452 x 356 + 452 x 452 + 356 x 356) is:
Aman invested Rs. 13,000 in a scheme offering simple interest of 20% p.a. For how many months should he keep his money invested in the scheme if he wish...
A train takes 3 hours to travel a certain distance at a speed of 60 km/h. If the speed is increased by 20 km/h, how long will it take to cover the same ...
If sin x + sin 2x = 1 and cos x + cos 2x = 0, find x.
13, 91, 108, 756, ?, 5411
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