SBI PO Approximation Questions PDF

Approximation Questions for SBI PO Prelims and Mains exam. Download SBI PO Approximation questions on with solutions.

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Instructions

What approximate value will come at the place of question mark ‘?’ in the following question?

Question 1: $27\mathrm{\%}$ of ${?}^4=24.3\ast 6.94$

a) 6.5

b) 4

c) 7

d) 4.5

e) 5

Question 2: $273.98\ast \frac{3}{7}+\sqrt{840}$ = ?

a) 172

b) 146

c) 158

d) 134

e) 150

Question 3: 18.94% of 264 + ? + 33.1% of 327 = 451

a) 280.38

b) 314.12

c) 292.84

d) 324.72

e) 286.66

Question 4: $\frac{\sqrt{2}\ast (97.97+{?}^2)}{4.24}=49$

a) 9

b) 11.5

c) 8

d) 7

e) 6.5

Question 5: ${27.99}^2/3+?=167.05+17\ast 10.4$

a) 65.7

b) 82.5

c) 78.3

d) 73.5

e) 69.3

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Instructions

What approximate value will come at the place of question mark ‘?’ in the following question?

Question 6: ?% of ${6.02}^4$ = 9.1*19.9

a) 24

b) 12

c) 17

d) 21

e) 14

Question 7: 66.69% of (22.5% of (16.48% of 250.49) = ?

a) 5.4

b) 6.2

c) 6.8

d) 7.2

e) 5.8

Question 8: 51.49% of 636 – 82.08% of 211 = ?

a) 143.3

b) 161.3

c) 154.5

d) 171.3

e) 182.5

Question 9: $\frac{\sqrt{421+364}+{?}^3}{14.89}$ = 90.6

a) 14

b) 15

c) 13

d) 11

e) 17

Question 10: ${18.98}^2+?=31.994\ast 17.017+574.98/5$

a) 324

b) 298

c) 276

d) 282

e) 304

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Question 11: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{29.96}{5.08}–\frac{7.99}{4.01}+\frac{31.97}{7.94}$

a) $6$

b) $7$

c) $8$

d) $9$

e) $10$

Question 12: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{107.94}{2.99\ast 3.02}–\frac{44.92}{8.97}$

a) $6$

b) $7$

c) $8$

d) $9$

e) $10$

Question 13: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{71.94}{8.99}\ast \frac{62.91}{7.02}$

a) $64$

b) $72$

c) $80$

d) $81$

e) $63$

Question 14: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$50.011–\frac{35.996}{42.007}\ast 48.998$

a) $6$

b) $7$

c) $8$

d) $9$

e) $10$

Question 15: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{\sqrt{80.98\ast 440}}{6.99}$

a) $24$

b) $27$

c) $30$

d) $32$

e) $36$

Instructions

What approximate value will come at the place of question mark ‘?’ in the following question?

Question 16: ? % of ${6.998}^3=21\times 23.7$

a) 156

b) 134

c) 187

d) 161

e) 145

Question 17: 125% of 852 + 64.008 * 18.994 = ?

a) 2267

b) 2281

c) 2293

d) 2175

e) 2196

Question 18: (54.98% of 994.97) / (74.08% of 324.05) = ?

a) 2.7

b) 2.1

c) 2.3

d) 3

e) 3.3

Question 19: $\frac{\sqrt[3]{19375+5014}+{28}^2}{?}$ = 24.57

a) 27

b) 36

c) 31

d) 33

e) 29

Question 20: $\frac{{22.98}^3}{5}$ + ? = 17.97 * 124.005 + 428.79

a) 199

b) 228

c) 217

d) 245

e) 194

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Answers & Solutions:

1) Answer (E)

$27\mathrm{\%}$ of ${?}^4$ = 24.3 * 6.94 can be approximately written as
$0.27\ast {?}^4=24.3\ast 7$
$0.27\ast {?}^4=170.1$
${?}^4=630$
? = 5 approx.
Hence, option E is the correct choice.

2) Answer (B)

$273.98\ast \frac{3}{7}+\sqrt{840}$ = ? can be approximately written as
$273\ast \frac{3}{7}+\sqrt{841}$ = ?
117 + 29 = 146 approx.
Hence, option B is the correct choice.

3) Answer (C)

18.94% of 264 + ? + 33.1% of 327 = 451 can be approximately written as
0.19 of 264 + ? + 0.33 * 327 = 451
50.16 + ? + 108 = 451
? = 292.84
Hence, option C is the correct choice.

4) Answer (D)

$\frac{\sqrt{2}\ast (97.97+{?}^2)}{4.24}=49$ can be approximately written as,

$\frac{49\ast 4.24}{\sqrt{2}}=98+{?}^2$

$49\ast 3=2\ast 49+{?}^2$
${?}^2=49$
? = 7
Hence, option D is the correct option.

5) Answer (B)

${27.99}^2/3+?=167.05+17\ast 10.4$ can be approximately written as
${28}^2/3+?=17\ast 10.4+167$
784/3 + ? = 176.8 + 167
? = 343.8 – 261.33 = 82.5 approx.
Hence, option B is the correct choice.

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6) Answer (E)

?% of ${6.02}^4$ = 9.1*19.9
?% * 1296 = 180
?% = 0.13888
? = 14 approx.
Hence, option E is the correct choice.

7) Answer (B)

66.69% of (22.5% of (16.48% of 250.49) = ?
$\frac{2}{3}$ * $\frac{0.9}{4}$ * $\frac{0.33}{2} *250 = ?
? = 6.1875 = 6.2 approx.
Hence, option B is the correct choice.

8) Answer (C)

51.49% of 636 – 82.08% of 211 = ?
0.515*636 – 0.82*211 = ?
? = 327.5 – 173 = 154.5
Hence, option c is the correct choice.

9) Answer (D)

$\frac{\sqrt{421+364}+{?}^3}{14.89}$ = 90.6
$\frac{\sqrt{785}+{?}^3}{15}$ = 90.6
$\frac{28+{?}^3}{15}$ = 90.6
28 + ${?}^3$ = 1359
${?}^3$ = 1331
? = 11
Hence, option D is the correct option.

10) Answer (B)

${18.98}^2+?=31.994\ast 17.017+574.98/5$ can be approximately written as
${19}^2+?=32\ast 17+575/5$
$361+?=544+115$
$?=298$
Hence, option B is the correct choice.

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11) Answer (C)

The given expression can be approximated to $\frac{30}{5}–\frac{8}{4}+\frac{32}{8}$
= $6–2+4$
=$8$.
Therefore, option C is the right answer.

12) Answer (B)

The given expression can be approximated to $\frac{108}{3\ast 3}–\frac{45}{9}$
=$\frac{108}{9}–\frac{45}{9}$
=$\frac{63}{9}$
=$7$.
Therefore, option B is the right answer.

13) Answer (B)

The given expression can be approximated to $\frac{72}{9}\ast \frac{63}{7}$.
=$8\ast 9$
=$72$
Therefore, option B is the right answer.

14) Answer (C)

The given expression can be simplified as $50–\frac{36}{42}\ast 49$
=$50–\frac{6}{7}\ast 49$
=$50–42$
= $8$.
Therefore, option C is the right answer.

15) Answer (B)

The given expression can be approximated to $\frac{\sqrt{81\ast 441}}{7}$
=$\frac{9\ast 21}{7}$
=$9\ast 3$
=$27$.
Therefore, option B is the right answer.

16) Answer (E)

?% of ${6.998}^3=21\times 23.7$ can be written as
?% of $7^3=497.3$
?% * 343 = 497.3
?% = 1.45
? = 145
Hence, option E is the correct choice.

17) Answer (B)

125% of 852 + 64.008 * 18.994 can be approximately written as
$\frac{5}{4}$ * 852 + 64*19
= 1065 + 1216
= 2281
Hence, option B is the correct choice.

18) Answer (C)

(54.98% of 994.97) / (74.08% of 324.05) = ? can be written as
$\frac{0.55\ast 995}{0.74\ast 324}=\frac{547.25}{239.76}$ = 2.3 approx.
Hence, option C is the correct choice.

19) Answer (D)

$\frac{\sqrt[3]{19375+5014}+{28}^2}{?}$ = 24.57 can be written as
$\frac{\sqrt[3]{24389}+784}{?}$ = 24.57
? = $\frac{29+784}{24.57}$ = 33 approx.
Hence, option D is the correct option.

20) Answer (B)

$\frac{{22.98}^3}{5}$ + ? = 17.97 * 124.005 + 428.99 can be approximately written as
$\frac{{23}^3}{5}$ + ? = 18 * 124 + 429
$\frac{12167}{5}$ + ? = 2232 + 429
? = 2661 – 2433 = 228
Hence, option B is the correct choice.

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