Quantity A: The sum of all different prime factors of x
Quantity B: 14
- The quantity in Column A is greater.
- The quantity in Column B is greater.
- The quantities are equal.
- The relationship cannot be determined from the information given.
Friday, February 2, 2007
"ALGEBRA QUESTION OF THE DAY"
The integer (x - 1) is a prime number between 40 and 50.
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9 comments:
a
sorry B
b
can u tell me y it is b
i think its a.If not will some one tell y it is b.
It is B
soln : there are three prime numbers between 40 & 50 viz 41,43,47
hence x ca be 42, 44 or 48
there prime factors are (2 3 7) (2 11) (2 3)
and their sums 12, 13, 5 all smaller than 14.
CORRECT ANS IS B
ZUBER CORRECT EXPLAINATION MAN
CONGRATS
B man....
first you guys learn about prime number
In mathematics, a prime number (or a prime) is a natural number that has exactly two (distinct) natural number divisors, which are 1 and the prime number itself. The first 30 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, ......
now between 40 and 50 are 41..43 and 47
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