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If x/600=y/300 then is y=1000? 1) x+y=3000 2) 3x=6000

X = 2^97 + 3^97 + 6^97 + 7^97 + 9^97 What is the remainder when X is divided by 9? OPTIONS 1) 0 2) 1 3) 2 4) 3 5) 4

The integer N is given by N = 2^M × 5^386, where M is an integer. If N is known to have 388 digits, how many values can M take? OPTIONS 1) 1 2) 2 3) 3 4) 4 5) 5

Average age of group of 50 gals is increased by 6 months, when 10 of them whose average was 16 years replaced by 10 new gals.find the average age of new comers...

The sum of digits of the smallest positive integer that has exactly 18 positive integer factors and leaves a remainder of 9 when divided by 31 is: (A) 18 (B) 16 © 9 (D) 8 (E) 6