UPSC · CSAT · Basic Numeracy

Simple Interest questions with answers

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Five questions to begin your revision

Open each answer only after choosing your own response.

01Medium · ✓ Verified answer

UPSC Civil Services CSAT practice check: Find the simple interest on ₹1,200 at 5% per year for 2 years.

  1. ₹120
  2. ₹132
  3. ₹108
  4. ₹144
Check answer and explanation +
A — ₹120

Simple interest = principal × rate × time ÷ 100 = ₹1,200 × 5 × 2 ÷ 100 = ₹120. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Simple Interest; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
02Medium · ✓ Verified answer

UPSC Civil Services CSAT high-priority drill: Find the simple interest on ₹1,400 at 6% per year for 3 years.

  1. ₹266
  2. ₹238
  3. ₹280
  4. ₹252
Check answer and explanation +
D — ₹252

Simple interest = principal × rate × time ÷ 100 = ₹1,400 × 6 × 3 ÷ 100 = ₹252. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Simple Interest; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
03Medium · ✓ Verified answer

UPSC Civil Services CSAT foundation revision: Find the simple interest on ₹1,600 at 7% per year for 4 years.

  1. ₹432
  2. ₹480
  3. ₹448
  4. ₹464
Check answer and explanation +
C — ₹448

Simple interest = principal × rate × time ÷ 100 = ₹1,600 × 7 × 4 ÷ 100 = ₹448. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Simple Interest; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
04Medium · ✓ Verified answer

UPSC Civil Services CSAT speed-building set: Find the simple interest on ₹1,800 at 8% per year for 2 years.

  1. ₹324
  2. ₹288
  3. ₹306
  4. ₹270
Check answer and explanation +
B — ₹288

Simple interest = principal × rate × time ÷ 100 = ₹1,800 × 8 × 2 ÷ 100 = ₹288. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Simple Interest; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
05Medium · ✓ Verified answer

UPSC Civil Services CSAT accuracy checkpoint: Find the simple interest on ₹2,000 at 9% per year for 3 years.

  1. ₹540
  2. ₹560
  3. ₹520
  4. ₹580
Check answer and explanation +
A — ₹540

Simple interest = principal × rate × time ÷ 100 = ₹2,000 × 9 × 3 ÷ 100 = ₹540. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Simple Interest; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
✓

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