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Quantitative Aptitude · Bank exam practice

Simplification questions for bank exams

Simplification questions test how fast you can apply BODMAS to fractions, percentages, squares and roots. Expect 5 to 10 of them in every bank Prelims. Plutomonk has 1,040 Simplification questions in Prelims and Mains sets of 10, each with a worked solution. They are useful for IBPS PO, SBI PO, IBPS Clerk, SBI Clerk, IBPS RRB and RBI Assistant.

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Quick tip

Learn squares up to 30, cubes up to 20 and common percent-fraction pairs. They turn most simplifications into one-line sums.

Simplification sample questions with answers

These are from the first Prelims and Mains sets. Try each question before you open the solution.

Q1. 12² + 5³ − 303 = ?

  1. -59
  2. -46
  3. -22
  4. -34
  5. -32
Show answer and solution

Answer: D. -34

12² = 144, 5³ = 125. 144 + 125 − 303 = -34.

Q2. 40% of 720 + 2 × 21 = ?

  1. 335
  2. 320
  3. 330
  4. 310
  5. 340
Show answer and solution

Answer: C. 330

40% of 720 = 288; 2 × 21 = 42; total 330.

Q3. 33² + 8³ − 90 = ?

  1. 1536
  2. 1523
  3. 1511
  4. 1513
  5. 1486
Show answer and solution

Answer: C. 1511

33² = 1089, 8³ = 512. 1089 + 512 − 90 = 1511.

Q4. 467 − 184 ÷ 8 + 23 = ?

  1. 477
  2. 444
  3. 467
  4. 513
  5. 490
Show answer and solution

Answer: C. 467

184 ÷ 8 = 23. 467 − 23 + 23 = 467.

Q5. 412 − 636 ÷ 12 + 53 = ?

  1. 518
  2. 306
  3. 412
  4. 465
  5. 359
Show answer and solution

Answer: C. 412

636 ÷ 12 = 53. 412 − 53 + 53 = 412.

Q6. 744 + 48 × 9 − 14² = ?

  1. 1148
  2. 1000
  3. 970
  4. 990
  5. 980
Show answer and solution

Answer: E. 980

48 × 9 = 432; 14² = 196. So 744 + 432 − 196 = 980.

Q7. 385 − 484 ÷ 11 + 44 = ?

  1. 341
  2. 473
  3. 297
  4. 385
  5. 429
Show answer and solution

Answer: D. 385

484 ÷ 11 = 44. 385 − 44 + 44 = 385.

Q8. 10% of 620 + 3 × 78 = ?

  1. 316
  2. 296
  3. 276
  4. 286
  5. 306
Show answer and solution

Answer: B. 296

10% of 620 = 62; 3 × 78 = 234; total 296.

Q9. ?² × 9 + 191 × 7 = 2066

  1. 8
  2. 10
  3. 7
  4. 11
  5. 9
Show answer and solution

Answer: E. 9

191 × 7 = 1337. ?² × 9 = 729, so ?² = 81, ? = 9.

Q10. ?² × 6 + 371 × 3 = 4863

  1. 29
  2. 23
  3. 24
  4. 25
  5. 26
Show answer and solution

Answer: D. 25

371 × 3 = 1113. ?² × 6 = 3750, so ?² = 625, ? = 25.

Q11. ?² × 9 + 161 × 6 = 1866

  1. 14
  2. 10
  3. 11
  4. 8
  5. 9
Show answer and solution

Answer: B. 10

161 × 6 = 966. ?² × 9 = 900, so ?² = 100, ? = 10.

Q12. √324 × 8 + 37.5% of 256 = ?

  1. 240
  2. 244
  3. 224
  4. 232
  5. 256
Show answer and solution

Answer: A. 240

√324 = 18; 18 × 8 = 144; 37.5% of 256 = 96. Sum = 240.

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