If the number of students joined and left in the school A B and E in the year 2007 and 2008 is 3 2 t...........

Quantitative Aptitude ( CCS) Data Table

The number of students who joined and left in 5 schools during 5 years

If the number of students joined and left in the school A, B and E in the year 2007 and 2008 is 3:2, then find the difference between the total number of students joined in the School A and E in all the years together ?

120

100

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Explanation:

Explanation :
2008 :
A =3x = 210
2008 = 210+219+137+141+188 = 895
2007 :
3:2
B = 3x =150
E = 3x =300
2007 = 123+189+185+150+300 = 947
D iff = 947 – 895 = 52