Question
Anita invests Rs. 9,200 at 7% simple interest per annum for
3 years. If the total amount becomes Rs. '2k', then calculate the product of digits of 'k'.Solution
ATQ,
Simple interest = Principal × Rate × Time ÷ 100
Interest = 9,200 × 7 × 3 ÷ 100 = Rs. 1,932
2k = 9,200 + 1,932
Or, 2k = 11,132
Or, 'k' = 5,566
Required product = 5 × 5 × 6 × 6 = 900
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