RRB RPF RPSF SI and CONS Model Papers 10 with solutions

Question : 65 of 120

Marks: +1, -0

A sum becomes Rs. 1,352 in 2 years at 4% per annum compound interest. The sum is

Solution:

(4) Let the sum be Rs. x.

∴1352=x (1+ {4}/{100} )^{2}

⇒ 1352=x\ (1+ {1}/{25} )^{2}

⇒ 1352=x ( {26}/{25} )^{2}

⇒ x= {1352 × 25 × 25}/{26 × 26}

=

Rs. 1250

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