# Important Simplification Questions and Answers

Competitive exams are today a matter of speed and accuracy. Simplification is often considered as the most important section for bank exams, though number of questions from this section is limited, its utility in all sections of quant is immense. Simplification helps to develop much needed speed in the real exam. Questions from this section are generally simple and straight forward, where a missing term or missing value which is to be filled.

One should practice simplifications daily and attempt to reduce the amount of time taken to solve the problem.

These questions might appear difficult on first glace, but gradual practice will ensure one is comfortable with these questions. The nature of question under this section is same across the exams.

## Simplification Important Questions For Competitive Exams

Q1. (42)2 – (?)2 = 3563 – 2055
18
28
36
42
16

Q2. ? = 5.8 × 2.5 + 0.6 × 6.75 + 139.25
157.30
157.80
158.40
160.30
None of these

Q3. 3889 + 12.952 – ? = 3854.002
47.095
47.752
47.932
47.95
None of these

Q4. 138.009 + 341.981 – 146.305 = 123.6 + ?
120.085
120.85
220.085
124.125
None of these

Q5. 832.58 – 242.31 = 779.84 – ?
179.57
199.57
295.05
198.125
None of these

Q6. (25)2 + (16)2 – (18)2 – (4)2 + (√4)2 – (√121) = ?
534
544
540
542
None of these

Q7. (√196 + √225 + √961)÷3 + 15 - 5 = ?
34
44
40
42
30

Q8. (17)2 + √441 + (6)3 – (8)2 + 38
450
500
400
550
300

Q9. 17 × 8 + 18/3 - √361 + √196/7 + 4 × 19
205
200
201
208
191

Q10. 100 + 25 × 2.5 – 160 = ? + 40
220
240
200
250
225

Q11. 125 ÷ 2.50 + x2 - 42 = 129
7
5
9
11
8

Q12. 20% of 450 + 30% of 300 = ? × 3
58
68
60
54
48

Q13. × 120% × 50% × 200 = ? × 112.5
4
6
2
5
2

Q14. 190 + 170 – 219 + ? = 278
112
124
110
108
137

Q15. (45 × 20÷10 + 21) ÷ 3 =?
900
1369
961
1264
1225

Q16. 3600 ÷ 72 × 4 + 574 – 378 =?
596
498
496
898
449

Q17. 0.006 × 0.02 × 0.0036 ÷ (0.06 × 0.004) = x
0.018
0.0018
0.18
1.8
18

Q18. of (418 – 394) + 762 = x + 247
662
695
643
638
613

Q19. (3.03 + 7.07)2 – x = 5 × 1.04 × 6.8
66.65
65.66
61.13
72.17
59.15

Q20. × 20 = x

940
952
960
950
980

Solutions:

(42)2 – (?)2 = 3563 – 2055
1764 - (?)2 = 1508
(?)2 = 1764 – 1508
(?)2 = 256
? = 16

5.8 × 2.5 + 0.6 × 6.75 + 139.25
14.50 + 4.05 + 139.25
157.80

3889 + 12.952 – ? = 3854.002
? = 3889 + 12.952 – 3854.002
? = 3901.952 – 3854.002
? = 47.95

138.009 + 341.981 – 146.305 = 123.6 + x x = (138.009 + 341.981) – (146.305 + 123.6)
479.99 – 269.905
210.085

832.58 – 242.31 = 779.84 – x x = (779.84 + 242.31) – 832.58
1022.15 – 832.58
189.57

(25)2 + (16)2 – (18)2 – (4)2 + (√4)2 – (√121) = ?
625 + 256 – 324 – 16 + 4 – 11
534

(√196 + √225 + √961)÷3 + 15 - 5 = ?
20 + 15 – 5
30

289 + 21 + 216 – 64 + 38
310 + 152 + 38

17 × 8 + 18/3 - √361 + √196/7 + 4 × 19
136 + 6 – 19 + 2 + 76
142 – 19 + 78
220 – 19
201

100 + 25 × 2.5 – 160 = x + 40
100 + 300 – 160 =x + 40
400 – 160 = x + 40 240 = x + 40 x = 240 – 40 x= 200

125 ÷ 2.50 +x2 -42 = 129
X2 = 129 - 8
X2 = 121
X =√121
X = 11

20% of 450 + 30% of 300 = X × 3 20/100 × 450 + 30/100 × 300 = X × 3
90 + 90 = X × 3
X= 180 / 3
X = 60

× 120% × 50% × 200 = x × 112.5
× 200 = x × 112.5
X = 2

190 + 170 – 219 + x = 278
360 – 219 + x = 278
141 + x = 278
X = 278 – 141
X = 137

(45 × 20÷ 10 + 21)/3 =
( 90 + 21)/3 =
X = 372 X = 1369

3600 ÷ 72 × 4 + 574 – 378 = ?
3600
× 4 + 574 – 378
200 + 574 – 378
2276 – 378
496

0.006 × 0.02 × 0.0036 ÷ (0.06 × 0.004) = x
= x
X = 0.0018

of (418 – 394) + 762 = x + 247
× 24 + 762 = x + 247
123 + 762 = x + 247
X = 885 – 247
X = 638

(3.03 + 7.07)2 – x = 5 × 1.04 × 6.8
(10.1)2 – x = 35.36
102.01 – x = 35.36
X = 102.01 – 35.36
X = 66.65

× 20 = x
× 20 = x
X = 960

These important simplification questions will help you to practice questions based on simplification. This practice set is resourceful for candidates practicing simplification. We have covered a range of questions for you. Practice on regular basis is must for simplification, preferably a aspirant must attempt 5 to 6 questions based on simplification daily. We will keep adding to the pool of questions so, that you are comfortable with Simplification.

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