SSC MTS & Havaldar 2016 · Question 142 of 162
⇒ Interest = Rs. 4200, Rate = 15% and T = 4 years, Let Principal be p ⇒ S.I = (P × R × T) / 100, where P is the principal, r is the rate of interest and t is the time period. ⇒ 4200 = (p × 15 × 4)/100 ⇒ 4200 × 100 = 60p ⇒ p = (4200 × 100)/60 ∴ Principal = Rs. 7000
Source: SSC MTS 2016 re-exam (held 10-Oct-2017 Shift 1) paper with key+explanations, via prepp.in · reliable-secondary
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