Yasmeen saves rs32 during the first month rs 36 in the second month and rs40 in the third month if she continues to save in this manner in how many months will she save rs2000
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a = 32
d= 36-32 =4
AP = 32,36,40........
let an = 2000
an = a+ (n- 1)d
2000 = 32 + ( n- 1)4
2000-32 = 4n-4
1968 = 4n-4
1968+4 = 4n
1972 = 4n
n= 1972÷4
n=493
In 493 months she save rs 2000
d= 36-32 =4
AP = 32,36,40........
let an = 2000
an = a+ (n- 1)d
2000 = 32 + ( n- 1)4
2000-32 = 4n-4
1968 = 4n-4
1968+4 = 4n
1972 = 4n
n= 1972÷4
n=493
In 493 months she save rs 2000
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