One of four words is a class of which the other three belong. Identify the class.
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If (x + y)2 - xy = 0, then find the value of x3 - y3x - y.
Based on the analogy given, find the missing number from the given options.
49 : 81 :: 100 : ___
If (a+c+1) = 0, then find the value of a3 + c3 + 1 - 3ac
A sum of money (P) doubles in 10 years. How much would it be in 20 years at the same rate of simple interest?
The average of five consecutive even numbers is 40. What is the value of smallest of these numbers?
Which of the following was the first super computer developed in 1976?
Who won the Academy award for documentary 'Amy' in 2016?