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5-Min Quick Practice – Bank Exams (Page 6 – Caselet DI)

Mains Level • Caselet DI • Step-wise Solutions

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Caselet Data

Five students A, B, C, D, E scored marks.

• Total marks = 500
• A = 80
• B = A + 20
• C = B − 30
• D = 2 × C
• E = Remaining marks

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Q1. Find B's marks

B = 80 + 20 = 100

Answer: 100

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Q2. Find C's marks

C = 100 − 30 = 70

Answer: 70

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Q3. Find D's marks

D = 2 × 70 = 140

Answer: 140

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Q4. Find E's marks

Total known = 80 + 100 + 70 + 140 = 390

E = 500 − 390 = 110

Answer: 110

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Q5. Who scored highest?

Answer: D (140)

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Q6. Average marks?

500 ÷ 5 = 100

Answer: 100

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Q7. Difference between D and C?

140 − 70 = 70

Answer: 70

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Q8. % of E?

(110/500)×100 = 22%

Answer: 22%

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Quick Mixed

Q9. 64 × 25 ÷ 16

64÷16=4 → 4×25=100

Answer: 100

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Q10. Some A are B, All B are C

Answer: Some A are C

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Caselet DI Tips

• Write all values step by step
• Do not skip conditions
• Calculate in sequence
• Check totals at end

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Caselet DI = Easy Marks if done step-by-step