TCS Company Logical Reasoning Cryptography

An amount of money lent against simple interest at 4 1/2 % per annum amounts to Rs.381 after 6 years. Find the sum.
(a)100
(b)300
(c)200
(d)400

Read Solution (Total 3)

GIVEN SI+P=381
SI=381-P
SI=PTR/100
381-P=P*6*4.5/100
P=300.
11 years agoHelpfull: Yes(5) No(1)

Rs 300

Interest = 300*(9/2)*6/100 = Rs 81.
total amt = 300+81 = Rs 381
11 years agoHelpfull: Yes(3) No(0)
Amount(A)=Principlal(P)+Simple Interest for 6 Years(I)
381=P+(P.R.T)/100
381=P+(P.4.5.6)/100
381=P+27P/100
Solving, we get P=Rs.300
Thus, the sum is Rs.300/-
11 years agoHelpfull: Yes(3) No(1)

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