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Simple Interest

Quantitative Aptitude · Maths Bookwise · Commercial Arithmetic

Useful for: SSC CGL

BOOK-GUIDED ORIGINAL SSC MATHS PRACTICE — Simple Interest

FOUNDATION

SI = P × R × T / 100 (T in years).

METHOD

Identify the quantities given, choose the exact relationship, calculate in the same unit, then check the answer against the question.

WORKED EXAMPLE 1

Find simple interest (₹) on ₹8200 at 11% p.a. for 5 years.

SI = PRT/100 = 8200×11×5/100 = ₹4510.

WORKED EXAMPLE 2

Find simple interest (₹) on ₹9800 at 14% p.a. for 4 years.

SI = PRT/100 = 9800×14×4/100 = ₹5488.

IMPORTANT EXCEPTION / COMMON TRAP

Convert months to years before applying an annual rate.

QUICK REVISION

SI = P × R × T / 100 (T in years).

SEE MORE: https://study.kundali-iq.com/ssc-maths/simple_interest/

For complete timed maths practice, use SSC CGL Test Series → New Maths 100 Mixed Sets or Chapter-wise sets. These are independent original questions, not copied previous-year questions.

Practice MCQs

Find simple interest (₹) on ₹8200 at 11% p.a. for 5 years.
1. 4810
2. 4510
3. 4210
4. 5110
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Answer: (b) 4510. SI = PRT/100 = 8200×11×5/100 = ₹4510.
Find simple interest (₹) on ₹9800 at 14% p.a. for 4 years.
1. 5488
2. 5853
3. 5123
4. 6218
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Answer: (a) 5488. SI = PRT/100 = 9800×14×4/100 = ₹5488.
Find simple interest (₹) on ₹3600 at 5% p.a. for 1 years.
1. 180
2. 168
3. 204
4. 192
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Answer: (a) 180. SI = PRT/100 = 3600×5×1/100 = ₹180.
Find simple interest (₹) on ₹7900 at 6% p.a. for 3 years.
1. 1610
2. 1328
3. 1516
4. 1422
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Answer: (d) 1422. SI = PRT/100 = 7900×6×3/100 = ₹1422.
Find the simple interest on ₹2600 at 6% per annum for 2 years.
1. 412
2. 362
3. 262
4. 312
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Answer: (d) 312. SI = P×R×T/100.
Find the simple interest on ₹2700 at 8% per annum for 2 years.
1. 432
2. 532
3. 482
4. 382
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Answer: (a) 432. SI = P×R×T/100.
Find the simple interest on ₹2800 at 10% per annum for 2 years.
1. 560
2. 616
3. 672
4. 504
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Answer: (a) 560. SI = P×R×T/100.
Find the simple interest on ₹2900 at 12% per annum for 2 years.
1. 626.4
2. 696
3. 765.6
4. 835.2
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Answer: (b) 696. SI = P×R×T/100.
Find the simple interest on ₹3000 at 5% per annum for 3 years.
1. 400
2. 550
3. 500
4. 450
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Answer: (d) 450. SI = P×R×T/100.
Find the simple interest on ₹3100 at 6% per annum for 3 years.
1. 502.2
2. 669.6
3. 558
4. 613.8
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Answer: (c) 558. SI = P×R×T/100.
Find the simple interest on ₹3200 at 8% per annum for 3 years.
1. 768
2. 844.8
3. 921.6
4. 691.2
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Answer: (a) 768. SI = P×R×T/100.
Find the simple interest on ₹3300 at 10% per annum for 3 years.
1. 1188
2. 1089
3. 990
4. 891
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Answer: (c) 990. SI = P×R×T/100.
Find the simple interest on ₹3400 at 12% per annum for 3 years.
1. 1346.4
2. 1224
3. 1101.6
4. 1468.8
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Answer: (b) 1224. SI = P×R×T/100.
Find the simple interest on ₹3500 at 5% per annum for 4 years.
1. 630
2. 700
3. 840
4. 770
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Answer: (b) 700. SI = P×R×T/100.
Find the simple interest on ₹3700 at 8% per annum for 4 years.
1. 1302.4
2. 1065.6
3. 1420.8
4. 1184
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Answer: (d) 1184. SI = P×R×T/100.

Simple Interest

Practice MCQs

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