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Simplification Practice 10

The document contains 10 simplification questions for bank clerk pre-exams. Each question provides a mathematical expression and asks the test taker to identify the missing value represented by a question mark. The correct answers and explanations for arriving at each answer are provided at the end. The questions test a variety of mathematical skills including simplifying expressions, solving equations, and performing calculations related to percentages, exponents, and square roots.

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Mridul Kalita
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242 views6 pages

Simplification Practice 10

The document contains 10 simplification questions for bank clerk pre-exams. Each question provides a mathematical expression and asks the test taker to identify the missing value represented by a question mark. The correct answers and explanations for arriving at each answer are provided at the end. The questions test a variety of mathematical skills including simplifying expressions, solving equations, and performing calculations related to percentages, exponents, and square roots.

Uploaded by

Mridul Kalita
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Simplification Questions for Bank Clerk Pre Exams.

Simplification Quiz 10
Directions: What value should come in place of Question mark (?) in the following question?

1. 5 +3 +1 =?+4

A. 4 B. 5 C. 5 D. 7 E. None of these

√
2. +2+√ = ?2
√

A. 16 B. 24 C. 30 D. 18 E. 8

3. (1.6 + 3.2)2 = + 256 × √

A. 2 B. 0 C. 5 D. 6 E. 1

4. = ?1/3
√ –

A. 5893 B. 6859 C. 1728 D. 2197 E. None of these

5. (3469.24 + 1209.53 – 2046.27) = ?2 + 2551.5


A. – 15 B. 5 C. – 9 D. 12 E. None of these

6. =

A. 1377 B. 1543 C. 1449 D. 1265 E. None of these

7. 11.5% of 288 – ?% of 150 = – 1016.88


A. 500 B. 400 C. 650 D. 700 E. 100

8. (7657.63 + 2587.97 – 8876.6) × (5741.65 – 1981.22 – 1975.43) = ?2 × √


A. 27√ B. 33√ C. 37√ D. 37√ E. None of these

9. 8452 – (529 – 874 + 361) = ?2 × 849

A. 31 B. 19 C. 21 D. 29 E. None of these

10. (17.5)2 – 472.5 + (13.5)2 = ? + 182.25


A. – 156.25 B. 166.25 C. – 148.75 D. 150.50 E. None of these
Correct Answers:
1 2 3 4 5 6 7 8 9 10
B D A B C A D C D E

Explanations:

1.
2 3 4 1
5 +3 +1 =?+4
5 35 15 15
2 3 4 1
5 +3 +1 –4 =?
5 35 15 15
2 3 4 1
? = (5 + 3 + 1 – 4) + ( + + – )
5 35 15 15
42 + 9 + 28 – 7
?=5+
105
72
?=5+
105
24 24
?=5+ =5
35 35
Hence, option B is correct.

√
2. +2+√ = ?2
√
323 × 17
+ 2 + 33 = ?2
19
or, 289 + 2 + 33 = ?2
or, 324 = ?2
or, ? = 18
Hence, option D is correct.

3. (1.6 + 3.2)2 = + 256 × √


?7
(1.6)2 + (3.2)2 + 2 × 1.6 × 3.2 = + 2.56 × 4
10
?7
2.56 + 10.24 + 10.24 – 10.24 =
10
?7
12.80 =
10
7
128 = ?
(2)7 = ?7
?=2
Hence, option A is correct.
4. = ?1/3
√ –

93% of 377 + 10.39 1/3


=?
22 – 3

350.61 + 10.39 1/3


=?
19

361
?1/3 =
19

?1/3 = 19
? = 6859
Hence, option B is correct.

5. (3469.24 + 1209.53 – 2046.27) = ?2 + 2551.5


(4678.77 – 2046.27) = ?2 + 2551.5
2632.50 – 2551.5 = ?2
?2 = 81
?=±9
Hence, option C is correct.

6.
27.27% of 8415 ?
=
6.25% of 5376 1008 ÷ 5

3
8415 ×
11 ?
=
1 1008 ÷ 5
5376 ×
16

2295 1008
× =?
336 5

? = 1377
Hence, option A is correct.

7. 11.5% of 288 – ?% of 150 = – 1016.88


23% of 144 – ?% of 150 = – 1016.88
33.12 + 1016.88 = 1.5 × ?
1050 = 1.5 × ?
?=
? = 700
Hence, option D is correct.
8. (7657.63 + 2587.97 – 8876.6) × (5741.65 – 1981.22 – 1975.43) = ?2 × √
(10245.6 – 8876.6) × (5741.65 – 3956.65) = ?2 × 17
1369 × 1785 = ?2 × 17
?2 = 1369 × 105
?2 = 37 × 37 × 5 × 3 × 7
? = 37√
Hence, option C is correct.

9. 8452 – (529 – 874 + 361) = ?2 × 849


8452 – [(23)2 – (19)2 + 2 × 23 × 19] = ?2 × 849
8452 – (23 – 19)2 = ?2 × 849
8452 – 42 = ?2 × 849
(845 + 4) (845 – 4) = ?2 × 849
849 × 841 = ?2 × 849
?2 = 841
? = 29
Hence, option D is correct.

10. (17.5)2 – 472.5 + (13.5)2 = ? + 182.25


306.25 – 472.5 + 182.25 = ? + 182.25
306.25 – 472.5 = ?
? = – 166.25
Hence, option E is correct.

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