CBSE Guess > Papers > Question Papers > Class X > 2009 > Mathematics > Mathematics

Sol .

Weight(in Kg) fi	Number of Student	xi				c.f.
40-45	2	42.5	-3	-6 -6 -8	-20	2
45-50	3	47.5	-2			5
50-55	8	52.5	-1			13
55-60	6	57.5	0	0		19
60 -65	6	62.5	1	6 6 6	-18	25
65 - 70	3	67.5	2			28
70 -75	2	72.5	3			30

Mathematics 2009 Question Papers Class X
Delhi		Outside Delhi		Compartment Delhi		Outside Delhi		Foreign
	Set 1 (PDF)		Set 1 (PDF)		Set 1		Set 1		Set 1 (PDF)
					Set 2		Set 2
					Set 3		Set 3