If a = 5, b = 4, c = 8 then find the value of (a3 + b3 + c3 - 3abc)/(ab + bc + ca - a2 - b2 - c2)
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Given that (a2 + b2) = 60, then find the value of (a + b)2 + (a - b)2 ?
The mean of 20 observations is 19. One more observation is included and the new mean becomes 20. The 21st observation is
Kakori train robbery was organized by the ___ in 1925.
If a3 + b3 + c3 - 3abc = 0, then the value of a2/bc + b2/ac - 3.
Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?
If X = 423 + 32 then find the value of ( X + 1X ).
In the following question, select the related number from the given alternatives.
19 : 60 : : 21 : ?
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