MBA Exam

what is the reminder when (6^7+8^7) is divided by 49?

1) 6
2) 0
3) 13
4) 4

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MBA Other Question

For real numbers x and y, such that xy â‰ 0, the following functions are defined.f(x, y) = if x + y > 0 and f(x, y) = (x + y)^2 otherwise.g(x, y) = (x + y)^2 if x+y <0 (not less than 0)and g(x, y) = -( x + y) otherwise.
In which of the following cases is f(x, y) > g (x, y) necessarily true?

1) x > 0, y > 0
2) x < 0, y < 0
3) x > 0, y < 0
4) None of the above
All IndiaPagalguy Meet of year 2008' is in June (which has 30 days), but Allwinforgot which day, so he asked around. Rohit said that the date was anodd number; Apurv claimed it was greater than 13. Divya declared it wasnot a perfect square, while Sonam swore it was a perfect cube. Finally,Grand-ma tells Allwin the date was less than one-fourth her(Grand-ma's)age, which Allwin knew to be 68. Yesterday Allwin learnedthat only one of them had told the truth! If the date of the All IndiaPG Meet is D (numerical value), then

1) D is uniquely determinable
2) D can have exactly 2 values
3) D doesn't exist
4) D has atleast 4 values
5) None of the foregoing