10.One-third of Rahul's savings in National Savings Certificate is equal to one-half of his savings in Public Provident Fund. If he has Rs. 1,50,000 as total savings, how much has he saved in Public Provident Fund ?
A. Rs. 30,000
B. Rs. 50,000
C. Rs. 60,000
D. Rs. 90,000
Answer:
Option : C
Let savings in N.S.C and P.P.F. be Rs. x and Rs. (150000 - x) respectively. Then,
⇒
|
1
|
x =
|
1
|
(150000 - x)
|
3
|
2
|
⇒ x =
|
75000 x 6
|
= 90000
|
5
|
∴ Savings in Public Provident Fund = Rs. (150000 - 90000) = Rs. 60000