Simplification Questions For IBPS PO PDF

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Instructions

what should be come in place of the question mark(?) in the fallowing questions

Question 1: 92.5% of 550=?

a) 506.45

b) 521.65

c) 518.55

d) 508.75

e) none of these

Question 2: $12^{4}\times12^{13}$=?

a) $12^{7}$

b) $12^{39}$

c) $12^{17}$

d) $12^{-7}$

e) none of these

Question 3: 12.22+22.21+221.12=?

a) 250.55

b) 255.50

c) 250.05

d) 255.05

e) none of these

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Question 4: $464\div(16\times2.32)=?$

a) 12.5

b) 14.5

c) 10.5

d) 8.5

e) none of these

Question 5: $78\div5\div0.5$=?

a) 15.6

b) 31. 2

c) 7.8

d) 20.4

e) none of these

Instructions

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

Question 6: $\sqrt ?$  x 479.87 ÷ 12.01 = 179 + 139.99

a) 36

b) 100

c) 64

d) 4

e) 16

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Question 7: 629 ÷ 9.02 – 139.996 ÷ 7.06 = ?

a) 75

b) 35

c) 50

d) 65

e) 25

Question 8: 719.999 ÷ 12.0001 + 12.9999 x 2.999 + 1.0001 = ?²

a) 10

b) 12

c) 8

d) 11

e) 7

Question 9: 45% of 401 ÷ 3 – ? = 6.022

a) 38

b) 52

c) 6

d) 54

e) 12

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Question 10: 13.999% of 134.999 + $\sqrt {7.999 \times 8.0001}$  = 20 % of ?

a) 140

b) 135

c) 145

d) 160

e) 150

Instructions

What approximate value will come in place of question mark (?) in the given questions:

(You are not expected to calculate the exact value)

Question 11: 415.9 ÷ 4.02 + 13.04 x 28.978 = ?

a) 480

b) 470

c) 410

d) 490

e) 240

Question 12: ? % of (767 ÷ 6) = 7.889²

a) 25

b) 60

c) 40

d) 50

e) 75

Question 13: 319.89 – 15.03 x 3.692 = 1039.88 ÷ ?

a) 6

b) 8

c) 4

d) 2

e) 12

Question 14: 124.99 x 4.998 + 129.992 – 75.05 = ?

a) 540

b) 780

c) 680

d) 620

e) 760

Question 15: $\sqrt {239.92 \times 2.995 – 94.95}$ = ?

a) 35

b) 10

c) 25

d) 15

e) 20

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Answers & Solutions:

1) Answer (D)

Expression : 92.5% of 550=?

= $\frac{92.5}{100} \times 550$

= $508.75$

2) Answer (C)

$12^{4}\times12^{13}$= $12^{4 + 13} = 12^{17}$

3) Answer (E)

Expression : 12.22+22.21+221.12=?

= 34.43 + 221.12

= 255.55

4) Answer (A)

Expression : $464\div(16\times2.32)=?$

= $\frac{464}{16} \times \frac{1}{2.32}$

= $\frac{29}{2.32} = 12.5$

5) Answer (B)

Expression : $78\div5\div0.5$=?

= $\frac{78}{5} \div 0.5$

= $\frac{15.6}{0.5}$

= $15.6 \times 2 = 31.2$

6) Answer (C)

Expression : $\sqrt ?$  x 479.87 ÷ 12.01 = 179 + 139.99

=> $(\sqrt{x}) \times \frac{480}{12} = 180 + 140$

=> $\sqrt{x} \times 40 = 320$

=> $\sqrt{x} = \frac{320}{40} = 8$

=> $x = (8)^2 = 64$

7) Answer (C)

Expression : 629 ÷ 9.02 – 139.996 ÷ 7.06 = ?

= $(\frac{630}{9}) – (\frac{140}{7})$

= $70 – 20 = 50$

8) Answer (A)

Expression : 719.999 ÷ 12.0001 + 12.9999 x 2.999 + 1.0001 = ?²

=> $\frac{720}{12} + (13 \times 3) + 1 = (x)^2$

=> $60 + 39 + 1 = 100 = (x)^2$

=> $x = \sqrt{100} = 10$

9) Answer (D)

Expression : 45% of 401 ÷ 3 – ? = 6.022

=> $45 \%$ of $400 \div 3 – x = 6$

=> $\frac{45}{100} \times 400 \div 3 = 6 + x$

=> $\frac{45 \times 4}{3} = 6 + x$

=> $x + 6 = 15 \times 4 = 60$

=> $x = 60 – 6 = 54$

10) Answer (B)

Expression : 13.999% of 134.999 + $\sqrt {7.999 \times 8.0001}$  = 20 % of ?

$\approx 14 \%$ of $135 + \sqrt{8 \times 8} = \frac{20}{100} \times x$

=> $18.9 + 8 = \frac{x}{5}$

=> $x \approx 5 \times (19 + 8) = 5 \times 27$

=> $x = 135$

11) Answer (A)

Expression : 415.9 ÷ 4.02 + 13.04 x 28.978 = ?

= $(\frac{416}{4}) + (13 \times 29)$

= $104 + 377 = 481$

$\approx 480$

12) Answer (D)

Expression : ? % of (767 ÷ 6) = 7.889²

=> $x \%$ of $\frac{768}{6} = (8)^2$

=> $\frac{x}{100} \times 128 = 64$

=> $x = 64 \times \frac{100}{128}$

=> $x = \frac{100}{2} = 50$

13) Answer (C)

Expression : 319.89 – 15.03 x 3.692 = 1039.88 ÷ ?

=> $320 – (15 \times 4) = \frac{1040}{x}$

=> $320 – 60 = \frac{1040}{x}$

=> $x = \frac{1040}{260} = 4$

14) Answer (C)

Expression : 124.99 x 4.998 + 129.992 – 75.05 = ?

$\approx (125 \times 5) + 130 – 75$

= $625 + 55 = 680$

15) Answer (C)

Expression : $\sqrt {239.92 \times 2.995 – 94.95}$ = ?

$\approx \sqrt{(240 \times 3) – 95}$

= $\sqrt{720 – 95} = \sqrt{625}$

= $25$

 

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