SSC CGL Quant – Simple & Compound Interest – Level 3 · Challenge
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Gain = CI − SI = P/100 = 75 → P = 7,500.
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SSC CGL Quant – Simple & Compound Interest – Level 3 · Challenge – 8 questions, subject: Quantitative Aptitude. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
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1.
Find the compound interest on ₹ 62,500 for 6 months at 8% per annum, compounded quarterly.
Correct Answer: A [₹ 2,525]
Explanation:
Quarterly: 2% for 2 quarters → 4.04% of 62,500 = 2,525.
2.
The difference between CI and SI on a sum for 3 years at 10% per annum is ₹ 93. Find the sum.
Correct Answer: D [₹ 3,000]
Explanation:
P × (1/10)² × 3.1 = 0.031P = 93 → P = 3,000.
3.
On a certain sum, the CI for 2 years is ₹ 1,230 and the SI for 2 years at the same rate is ₹ 1,200. Find the sum.
Correct Answer: D [₹ 12,000]
Explanation:
CI − SI = 30 = SI × R/200 → R = 5%; yearly SI 600 = 5% of P → P = 12,000.
4.
A sum amounts to ₹ 13,310 in 3 years and ₹ 14,641 in 4 years at compound interest. Find the sum.
Correct Answer: A [₹ 10,000]
Explanation:
1,331/13,310 = 10% → P = 13,310 ÷ 1.331 = 10,000.
5.
Odd one outOn the same principal, which (rate, time) pair does NOT give the same simple interest as 6% for 5 years?
Correct Answer: B [8% for 4 years]
Explanation:
Total rate: 30% for all except 8 × 4 = 32%.
6.
Arrange in orderArrange in increasing order the amounts of ₹ 10,000 after 1 year at 12% per annum compounded (P) yearly, (Q) half-yearly, (R) quarterly.
Correct Answer: C [P < Q < R]
Explanation:
Yearly 11,200; half-yearly 11,236; quarterly ≈ 11,255.09.
7.
A lends ₹ 5,000 at 10% per annum simple interest and B lends ₹ 5,000 at 10% per annum compound interest, both for 3 years. How much more does B earn?
Correct Answer: C [₹ 155]
Explanation:
3.1% of 5,000 = 155.
8.
A man borrows a sum at 10% per annum simple interest and immediately lends it at 10% per annum compound interest (yearly). At the end of 2 years he gains ₹ 75. Find the sum.
Correct Answer: A [₹ 7,500]
Explanation:
Gain = CI − SI = P/100 = 75 → P = 7,500.
➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Quantitative Aptitude book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-quantitative-aptitude
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