Present age of Vani is 4 times the present age of her sister Mala after 10 years twice Vani age will be 4 times my age find their present age
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let present age of sister be x
#vani=4x
so
2 (4x+10)=4 (10+x)
8x+20=40+4x
4×=20
x=5(sister)
4x=vani=20
#vani=4x
so
2 (4x+10)=4 (10+x)
8x+20=40+4x
4×=20
x=5(sister)
4x=vani=20
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