**Simplification Questions for RBI Grade B PDF**

Download Very important RBI Grade-B Simplification Questions with solutions PDF. This PDF covers Top-15 Simplification Questions and answers for RBI Grade-B exam based on previous year asked questions from RBI and other Banking exams.

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**Instructions**

In the following some of the combinations of operations and an operand

A: means â€˜Ã·3â€™

B: means â€˜x3â€™

C: means â€˜-3â€™

D: means â€˜+3â€™

E: means â€˜Ã·2â€™

F: means â€˜x2â€™

G: means â€˜-2â€™

H: means â€˜+2â€™

**Question 1:Â **42×21-12 ?=880

a)Â A

b)Â F

c)Â G

d)Â D

e)Â None of these

**Question 2:Â **36+12 ? =48

a)Â A followed by F

b)Â A followed by B

c)Â B followed by F

d)Â C followed by A

e)Â None of these

**Question 3:Â **48? +12×4=80

a)Â E followed by B

b)Â D followed by A

c)Â F followed by A

d)Â B followed by F

e)Â None of these

**Question 4:Â **18×3 Ã·2+3 <27 ?

a)Â D followed by A

b)Â A followed by G

c)Â D followed by G

d)Â D followed by H

e)Â None of these

**Question 5:Â **(48+9)Ã·19×2=12 ?

a)Â A followed by H

b)Â B followed by E

c)Â C followed by A

d)Â A followed by D

e)Â None of these

**Instructions**

Find the what approximate value which should be come in place of the following questions .(You are not expected to Â calculate exact value).

**Question 6:Â **$\frac{2}{5}+\frac{7}{8}\times\frac{17}{19}\div\frac{6}{5}=?$

a)Â 1

b)Â $\frac{1}{2}$

c)Â 2$\frac{1}{2}$

d)Â $\frac{3}{4}$

e)Â $\frac{9}{11}$

**Question 7:Â **399.9+ 206 x 11.009=?

a)Â 2800

b)Â 6666

c)Â 4666

d)Â 2400

e)Â 2688

**Question 8:Â **$(10008.99)^{2}/(10009.001)\times\sqrt{3589}\times0.4987=?$

a)Â 30,000

b)Â 3,00,000

c)Â 5,000

d)Â 9,000,000

e)Â None of these

**Question 9:Â **$\sqrt{45689}=?$

a)Â 180

b)Â 415

c)Â 150

d)Â 214

e)Â 300

**Instructions**

What approximate value will come in place of the question mark (?) in the following questions ? (You are not expected to calculate the exact value).

**Question 10:Â **3/5 of 7/19 of 5/28 of 243 = ?

a)Â 10

b)Â 25

c)Â 14

d)Â 16

e)Â 28

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**Question 11:Â **$12.95\times7.05+(85.01)^{2}\times10.99=?$

a)Â 69566

b)Â 79566

c)Â 81000

d)Â 80566

e)Â None of these

**Question 12:Â **432.62 – 269.21 $\div$(11.9 % of 78) =?

a)Â 370

b)Â 380

c)Â 400

d)Â 410

e)Â 420

**Question 13:Â **899.99$\div$ 45.072 = ? – 224.488

a)Â 224

b)Â 230

c)Â 250

d)Â 244

e)Â 260

**Instructions**

What should come in place of the question mark (?) in the following questions?

**Question 14:Â **1268 Ã· 8 Ã· 2 = ?

a)Â 71.75

b)Â 317

c)Â 268

d)Â 79.25

e)Â None of these

**Question 15:Â **${8^{1.1}} \times {4^2}^{.7} \times {2^{3.3}} = {2^?}$

a)Â 7.1

b)Â 14

c)Â 0.5

d)Â 9

e)Â None of these

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**Answers & Solutions:**

**1)Â AnswerÂ (E)**

ExpressionÂ :Â 42×21-12 ?=880

L.H.S. =Â 42×21-12 ? = 882 – 12 ?

(A) :Â A

= $882 – 12 \div 3 = 882-4=878$

(B)Â :Â F

= $882-12 \times 2 = 882-24=858$

(C) : G

= $882-12 – 2 = 882-14=868$

(D) : D

= $882-12 +3 = 882-9=873$

=> Ans – (E)

**2)Â AnswerÂ (B)**

ExpressionÂ :Â 36+12 ? =48

L.H.S. =Â 36+12 ?

(A) :Â A followed by F

= $36+12 \div 3 \times 2 = 36+ \frac{12}{3} \times 2$

= $36+8=44$

(B) :Â A followed by B

= $36+12 \div 3 \times 3 = 36+12=48$ = R.H.S.

=> Ans – (B)

**3)Â AnswerÂ (A)**

ExpressionÂ :Â 48? +12×4=80

L.H.S. =Â 48? +12×4 = 48Â ? + 48

(A) :Â E followed by B

=Â $48 \div 3 \times 2 + 48$

= $32+48=80$ = R.H.S.

=> Ans – (A)

**4)Â AnswerÂ (D)**

ExpressionÂ :Â 18×3 Ã·2+3 <27 ?

L.H.S =Â 18×3 Ã·2+3

= $\frac{54}{2}+3 = 30$

Now, R.H.S. should be greater than 30

R.H.S. =Â 27 ?

(A) :Â D followed by A

= $27+3 \div 3 = 27+1=28$

(B) :Â A followed by G

= $27 \div 3-2 = 9-2=7$

(C) :Â D followed by G

= $27+3-2=28$

(D) :Â D followed by H

=Â $27+3+2=32$

=> Ans – (D)

**5)Â AnswerÂ (A)**

ExpressionÂ :Â (48+9)Ã·19×2=12 ?

L.H.S. =Â (48+9)Ã·19×2

= $\frac{57}{19} \times 2 = 6$

R.H.S. =Â 12 ?

(A) :Â A followed by H

= $12 \div 3+2 = 4+2=6$

=> Ans – (A)

**6)Â AnswerÂ (A)**

ExpressionÂ :Â $\frac{2}{5}+\frac{7}{8}\times\frac{17}{19}\div\frac{6}{5}=?$

= $\frac{2}{5} + (\frac{7}{8} \times \frac{17}{19} \times \frac{5}{6})$

= $\frac{2}{5} + \frac{595}{912}$

$\approx 0.4+0.6=1$

=> Ans – (A)

**7)Â AnswerÂ (E)**

ExpressionÂ :Â 399.9+ 206 x 11.009=?

$\approx 400 + (206 \times 11)$

= $400+2266 = 2666$

$\approx 2688$

=> Ans – (E)

**8)Â AnswerÂ (A)**

__ExpressionÂ :Â $(10008.99)^{2}/(10009.001)\times\sqrt{3589}\times0.4987=?$__

$\approx \frac{(10009)^2}{10009} \times \sqrt{3600} \times 0.5$

= $1009 \times 60 \times 0.5$

= $1009 \times 30 = 30270$

$\approx 30,000$

=> Ans – (A)

**9)Â AnswerÂ (D)**

ExpressionÂ :Â $\sqrt{45689}=?$

= $\sqrt{7 \times 61 \times 107}$

= $213.75 \approx 214$

=> Ans – (D)

**10)Â AnswerÂ (A)**

ExpressionÂ :Â 3/5 of 7/19 of 5/28 of 243 = ?

= $\frac{3}{5} \times \frac{7}{19} \times \frac{5}{28} \times 243$

= $\frac{3}{19 \times 4} \times 243$

= $\frac{729}{76} \approx 10$

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**11)Â AnswerÂ (B)**

ExpressionÂ :Â $12.95\times7.05+(85.01)^{2}\times10.99=?$

= $(13 \times 7) + (85^2 \times 11)$

= $91 + (7225 \times 11)$

= $91 + 79475 = 79566$

**12)Â AnswerÂ (C)**

ExpressionÂ :Â 432.62 – 269.21 $\div$(11.9 % of 78) =?

= $432 – (270 \times \frac{1}{\frac{12}{100} \times 78})$

= $432 – (270 \times \frac{100}{936})$

= $432 – 29 = 403$

$\approx 400$

**13)Â AnswerÂ (D)**

ExpressionÂ :Â 899.99$\div$ 45.072 = ? – 224.488

=> $\frac{900}{45} = x – 224$

=> $20 = x – 224$

=> $x = 224 + 20 = 244$

**14)Â AnswerÂ (D)**

ExpressionÂ :Â 1268 Ã· 8 Ã· 2 = ?

= $\frac{1268}{8} \div 2$

= $\frac{158.5}{2} = 79.25$

**15)Â AnswerÂ (E)**

Expression : ${8^{1.1}} \times {4^2}^{.7} \times {2^{3.3}} = {2^?}$

=> $(2)^{3 \times 1.1} \times (2)^{2 \times 0.7} \times (2)^{3.3} = (2)^x$

=> $(2)^{3.3} \times (2)^{1.4} \times (2)^{3.3} = (2)^x$

=> $(2)^{3.3 + 1.4 + 3.3} = (2)^x$

Comparing both sides, we get :

=> $x = 3.3 + 1.4 + 3.3 = 8$

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