Simplification Questions for IBPS RRB Clerk Exam

Simplification questions are one of the most frequently asked topics in the IBPS RRB Clerk Exam, especially in the Quantitative Aptitude section. These questions test a candidate’s speed, accuracy, and numerical ability. By mastering simplification techniques, candidates can easily solve multiple questions within a short span of time, helping them boost their overall score. Practicing regularly and using quick calculation tricks can make this section a strong scoring area in the exam.

Simplification Questions for IBPS RRB Clerk Exam

To do well in simplification questions in the IBPS RRB Clerk Exam, it is important to know basic rules like BODMAS and be good with numbers. Practising these types of questions every day can help you become faster and more confident during the exam. Below are some simplification questions for you to practice and improve your calculation speed.

Directions (1-10): What comes at the place of question (?) marks in the following questions.

Q1. 341.35 + 639. 65 + 456.80 =? + 746.80

(a) 491

(b) 591

(c) 961

(d) 691

(e) 791

Q2.  25.4 ×8+49.7 ×4+ ?= (22)²

 (a)  80

 (b)  84

 (c)  78

 (d)  82

 (e)  75

Q3. 48 + 8 × 0.75 – 5 =?

(a) 22

(b) 36

(c) 49

(d) 56

(e) 46

Q4. 18.657 – 7.549 – 4.111 – 1.630 =?

(a) 4.673

(b) 6.893

(c) 6.562

(d) 5.367

(e) 6.367

Q5. 24.5 × 12 + 61.2 × 5 – 51% of 500 = ? + 150 

(a) 125

(b) 180

(c) 170

(d) 175

(e) 195

Q6. 999 + 9.99 – 9.9 + 9.99 = ? 

(a) 1011.98

(b) 1009.08

(c) 1009.68

(d) 992.16

(e) 897.99

Q7. 7777 ÷ 700 + 7777 ÷ 1100 – 5555 ÷ 500 = ? 

(a) 9.09 

(b) 8.08 

(c) 7.07 

(d) 10.03 

(e) 6.07 

Q8. 28.314 – 31.427 + 113.928 =? + 29.114

(a) 81.711

(b) 80.701

(c) 71.711

(d) 81.701

(e) 80.107

Q9. 6573 ÷ 21 × (0.2)² =?

(a) 18.25

(b) 22.6

(c) 15.65

(d) 12.52

(e) 12.89

Q10. 5.25 ×18+12.25 ×8 +? = 14²

(a) 3.5

(b) 2.5

(c) 1.5

(d) 4.5

(e) 5.5

Directions (11-20): What comes at the place of question (?) marks in the following questions.

Q11. 8% of 125 × ?% of 120 = 420

(a) 35

(b) 30

(c) 45

(d) 40

(e) 25

Q12. 23% of 600 + 33% of 800 =? + 53% of 400

(a) 170

(b)180

(c) 190

(d) 210

(e) 150

Q13. 43% of 500 + 250% of 60 =? + 150% of 80

(a) 145

(b) 425

(c) 245

(d) 345

(e) 225

Q14. 10.8% of 250 + 21.6% of 550 = 10% of ?

(a) 1258

(b) 1485

(c) 1458

(d) 1658

(e) 1548

Q15.   56 % of 350 + 48 % of 550 – 15 ×2.4= ?

 (a)385

 (b)424

 (c)456

 (d)362

 (e)348

Q16.  55% of 540 + 33 1/3% of 183 + √?= (19)2

 (a)2

 (b)17

 (c)25

 (d)5

 (e)9

Q17. 33% of 600 + 44% of 225=? % of 500 

(a) 56.4

(b) 5.94

(c) 59.4

(d) 49.4

(e) 69.4

Q18. ? ² = 40% of 420 + 44% of 200 

(a) 24

(b) 12

(c) 8

(d) 16

(e) 416

Q19. 13% of 400 + 17% of 500 =? + 44% of 625 

(a) –138

(b) 138

(c) –136

(d) 136

(e) –134

Q20. 24% of 125 + 48% 150 =? 

(a) 106

(b) 108

(c) 104

(d) 112

(e) 102

Directions (21-30): What will come in the place of question (?) mark in the following question.

Q21. 48% of ? + 45% of 600 = 19² + 841

(a) 250

(b) 150

(c) 200

(d) 225

(e) 175

Q22. ? x (12+10% of 60)=135

(a) 5.5

(b) 6.5

(c) 4.5

(d) 5

(e) 7.5

Q23. √? +15×18=3600÷12

(a) 900

(b) 950

(c) 850

(d) 800

(e) 750

Q24. 4.8×5 + 8 × 0.75 =?

(a) 40

(b) 20

(c) 30

(d) 50

(e) 60

Q25. 45/7 x 350/9 = 10 × ?²

(a) 5

(b) 8

(c) 10

(d) -5

(e) Both (a) and (d)

Q26. 2^4 × 250 ÷ 5³ × 25 = 32 × 5^?

(a) 3

(b) 2

(c) 5

(d) 1

(e) 0

Q27. 2691 ÷ 13 + 9 =?³

(a) 4

(b) 11

(c) 6

(d) 15

(e) 7

Q28. √75 × √300 =? 

(a) 100√3

(b) 120

(c) 75√3

(d) 140

(e) 150

Q29. 10²+24²=276+?²

(a) 34

(b) 6

(c) 28

(d) 12

(e) 20

Q30. 25% of (? + 360) = 15 x 100

(a) 140

(b) 300

(c) 340

(d) 200

(e) 240

Answers
01	02	03	04	05	06	07	08	09	10
d	d	c	d	e	b	c	d	d	a
11	12	13	14	15	16	17	18	19	20
a	c	c	c	b	e	c	d	a	e
21	22	23	24	25	26	27	28	29	30
a	e	a	c	e	b	c	e	e	e

Solving Techniques for Simplification Questions

• Apply the BODMAS (Bracket, Order, Division, Multiplication, Addition, Subtraction) rule to maintain accuracy.
• Learn and memorize reciprocal values, square roots, and cube roots for faster calculations.
• Use approximation techniques wherever exact values are not required.
• Practice percentage to fraction conversions to simplify lengthy decimal-based problems.
• Develop mental math skills to reduce dependency on rough work.
• Focus on speed calculation tricks, such as Vedic math shortcuts, to save time.
• Attempt simplification quizzes and mock tests regularly to improve both speed and confidence.

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