Question
Who was awarded the Nobel Prize in 1930 for discovering
the human ABO blood group system?Solution
Karl Landsteiner discovered the ABO blood group system in 1901, revolutionizing the field of transfusion medicine. His groundbreaking work earned him the Nobel Prize in Physiology or Medicine in 1930.
If x = √7 + √6 and y = √7 - √6 , then the value of is (x2 + y2)/(x3 + y3).
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If (x + y) = 40, then find the value of (x - 15)5 + (y - 25)5.

- If p = 35 - q - r and pq + r(p + q) = 324, then find the value of (p² + q² + r²).
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
- If a 3 + b 3 + c 3 = 62, abc = -6 and (a + b + c) = 5, then what is the value of ab + bc + ac?
If a + b + c = 12 and ab + bc + ca = 50, then find the value of a2 + b2 + c2.
A train can cross a pole, a bridge of 720 meter long and platform of 640 meter long in 9 seconds, _____ seconds and 25 seconds, respectively.
The...
If (x – 3) is a factor of (x2 + 4qx – 2q), then the value of q is: