(d) None of these Let, the principle amount of daughter aged 18 years be 7x. Then, daughter of age 16 years would receive ₹ (61000 - x) According to the question. x(1+
20
100
)2 = (61000 - x) (1+
20
100
)4 [∵ A = P (1+
R
100
)n ⇒ (
120
100
)2x = (61000 - x) (
120
100
)4 ⇒ x = (61000 - x) (
120
100
)2 ⇒ x = 61000 x 1.44 - 1.44x ⇒ x(1+1.44) = 87840 ⇒ x =
87840
2.44
= ₹ 36000 ∴Share of two daughters are ₹ 36000 and ₹ (61000 - 36000) = ₹ 25000, respectively.