magic square sudoku 9

A partially filled 16x16 grid is given below.

3					5					7					1
	9			15							13			11
		14					12	10					16
			8			2			4			6
			2			8			6			4
		12					14	16					10
	15			9							11			13
5					3					1					7
	13			11							9			15
7					1					3					5
			4			6			8			2
		10					16	14					12
		16					10	12					14
			6			4			2			8
1					7					5					3
	11			13							15			9

GIANT SUDOKU 16x16

Fill in the grid with numbers from 1 to 16 in such a way that every row,every column ,every 4x4 box,each corner to corner diagonal accommodates numbers 1 to 16 without repeating any. Also,each 4x4 box is a magic square of order 4.

smallest number 3

Find the smallest number which when divided by 79 and 97 leaves 37 and 73 respectively as remainders.

magic square 4

Forty five of the numbers from 1 to 81 have been placed in the  9x9 grid given below.

	12		60		74		45
30	40	53		11		63	68	73
	71		29		52		10
15		2		81		44		31
	47		18	23	1		76
65		61		46		13		3
	9		80		67		34
54	32	37		4		79	56	69
	55		49		39		6

             Fill in the remaining numbers in such a way that the sum of nine numbers in every horizontal row, every vertical column, each corner to corner diagonal and every 3x3 box is 369