Topic of the Day: Quantitative Aptitude Questions on Approximation for SBI PO, IBPS PO and SBI Clerk Mains

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Hi Readers,

Today’s topic is on Approximation from the Quantitative Aptitude section. Questions from Approximation are frequently asked in banking examinations. If practiced well, one can score full marks in it in very less time. 5 to 10 questions can be expected from this topic in upcoming Prelims and Mains examinations of SBI Clerk Mains, RBI Assistant Mains, SBI PO prelims and IBPS PO Prelims. Below I have provided 15 questions of approximation for practice. Answers with detailed solutions are provided at the end of the questions. Not more than 10 minutes should be invested for solving these. Please note that you don’t need to calculate the exact value. Now, Let’s look at the questions below.

Directions (Ques.1 – 15): What is the approximate value should come in place of question mark (?) in the following questions? (You are not needed to calculate the exact value)

1. 324.99 of 48.07% =?

1) 162                   

2)156                    

3) 174                   

4) 138                   

5) 144

1)281                    

2)291                    

3)271                    

4)251                    

5)261

3. 38.93 × 112.67 + 223.854 × 17.893 =?

1)8340                  

2)8430                  

3)8450                  

4)8440                  

5)8450

4. 945.11 ÷ 34.98 × 20.054 =?

1)413                    

2)527                    

3) 365                   

4)619                    

5) 567

5. (18.79)² × √730 =?

1)9570                  

2)9750                  

3)9700                  

4)9500                  

5)10500

6. (16.072)² + (22.202)² + (35.986)² + (38.8761)² =?

1)3560                  

2)3650                  

3)3750                  

4)3570                  

5)3590

7. 72.35 × 190 + 26 × 13.5 – 110 × 24.5 =?

1)11490               

2)11370               

3)11580               

4)11290               

5)11670

8. 49.8% of 579.88 – 529.78% of 540 + 4451.887 =?

1)1880                  

2) 1460                 

3)1360                  

4)1580                  

5) 1790

9. (42.42)² + (39.549)² – (11.764)² – (45.47)² =?

1) 1010                 

2)1195                  

3)2155                  

4)2210                  

5)2020

10. 32.23% of 624.699 + 49.876% of 650.112 + 2574.98 =?

1)4200                  

2)3100                  

3)2700                  

4)1750                  

5)5100

1)6                         

2)7                         

3)8         

4)9                         

5)5

12.  487.532 + 2849.029 – 675.48 = 743.095 + ?

1)1900                  

2)1800                  

3)1820                  

4)1900                  

5)1920

13. (630 +?) x 26 = 2860

1)120                    

2)260                    

3)520                    

4)315                    

5)290

14. 61.33% of 700 – 450.17 = ? – 85% of 1020

a) 890                   

2) 820                   

3)910                    

4) 830                   

5) 1040

15. √6578 × √4330÷ √730 = ?

1) 171                   

2)151                    

3)191                    

4)161                    

5)201

Answers:

Ans 1. 2   

325 × (48/100) =?

? = 156

Ans 2. 1

1845 × (48/315) =?

? = 281.14

? = 281 approx

Ans 3. 4

39 × 113 + 224 × 18 =?

4407 + 4032 =?

? = 8439

Ans 4. 5

945 ÷ 35 × 21 =?

27 × 21 =?

? = 567

Ans 5. 2

(19)² × √730 =?

361 × 27 =?

? = 9747

Ans 6. 1

(16)² + (22)² + (36)² + (39)² =?

256 + 484 + 1296 + 1521 =?

? = 3557

Ans 7. 4

72 × 190 + 26 × 14 – 110 × 25 =?

13680 + 364 – 2750 =?

? = 11294

Ans 8. 1

290 – 2862 + 4452 =?

? = 1880

Ans 9. 2

(42)² + (40)² – (12)² – (45)² =?

1764 + 1600 – 144 – 2025 =?

3364 – 2169 =?

?= 1195

Ans 10. 2

32% of 625 + 50% of 650 + 2575 =?

200 + 325 + 2575 =?

? = 3100

Ans 11. 2

(425 ÷ 12.5 +?³) ÷ 30 = 12(1/2)

(34 + ?³) ÷ 30 = (25/2)

34 + ?³ = 375

?³ = 341

? = 7 approx

Ans 12. 5

488 + 2849 – 675 = 743 +?

? = 1919

Ans 13. 3

(630 +?) = 2860/26

(630 +?) = 110

? = 520

Ans 14. 1

61% of 700 – 450 =? – 85% of 1020

427 – 450 =? –  867

? = 890

Ans 15. 5

(81 x 67)/27 =?

? = 201

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