Find the number which is NOT a prime number.
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What is the sum of all prime numbers between 60 and 80?
The value of 14 ÷ 5 of 2 - 3 x 47 - 2 is
Solve the following 7 x {4 + (-2) x (-3)} = ?
Find the maximum area of a rectangle field which is surrounded by a rope of 400 m.
If x2 + ax + b, when divided by x - 4, leaves a remainder of 32 and x2 + bx +a, when divided by x - 4, leaves a remainder of 35, then a + b = ?
If 2560.256 = 25.6x, then what will be the value of x?
19 x 23 = 437. Then 190 x 0.023 = ?