RRB NTPC 28 April 2016 Paper

Question : 73 of 100

Marks: +1, -0

Rita invested a sum at 2.5% rate for 4 years. Sita invested the same amount at the same rate for 6 years. What is the ratio of the simple interest earned by Sita to that earned by Rita?

Validate

Solution:

(1) Rita invested certain sum at,

{ R } _ { { R } } = 2.5 \% , { T } _ { { R } } = 4

years
Sita invested the same sum at2.5% for

{ T } _ { s }

= 6 years

{ S I _ { S } }/ { S I _ { R } } = { T _ { S } } /{ T _ { R } } = { 6 } /{ 4 } = { 3 }/ { 2 }

( Since, P and Rare same)
= 3:2

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