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How to Solve Simplification & Approximation Questions? Tips & Tricks

How to Solve Simplification and Approximation Questions ? online Tricks

How to Solve Simplification and Approximation Questions? Tips & Tricks

online bank exam coaching : -We provide the best online coaching classes for Banking by our experienced faculty. We also offer online test series for bank po exams keeping in mind the latest pattern of questions. Takshila Learning regularly offers you different blogs and articles on important topics, news, and information related to banking exams. In this article, the following topic ’Simplification & Approximation’ from Quantitative section is explained.

SIMPLIFICATION and APPROXIMATION

Simplification and Approximation forms an important part of all Banking exams as 3-5 questions are expected from this chapter alone. In Simplification, we have to simplify & calculate the given expressions whereas, in Approximation, we take the approximate values & give the answers accordingly.

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

 

Q1. 36251 + 43261 =? + 52310

(1) 27202      (2) 28102       (3) 29302        (4) 26602         (5) None of these

 

A1:  36251 + 43261 =? + 52310

So,?= 79512 – 52310 = 27202

Option (1)

 

Q2. 72% of 486 – 64% of 261 =?

(1) 184.66 (2) 183.66      (3) 188.88      (4) 182.88         (5) 186.24

 

A2:  486 ×72÷100 – 261 ×64÷100

= 349.92 – 167.04 = 182.88

Option (4)

 

Q3. 1456 ÷ 16 × 14 + 22 = (?)2

(1) 24               (2) 36             (3) 48             (4) 52                (5) None of these

 

A3: 1456 ÷ 16 × 14 + 22 = (?)2

= 91 × 14 + 22 = (?)2

=1296 = (?)2

So,?= 36

Option (2)

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Q4: 20.06% of 599 + 10.01% of 901 =?

(1) 150              (2) 210           (3) 250 (4) 280   (5) 300

 

A4: ? = 600* 20÷100 + 900* 10 ÷100

(Take approximate value of 599 as 600, 901 as 900 = 120 + 90 = 21020.06 as 20 & 10.01 as 10)

Option (2)  

Q5:  251.01 – 429.99 + 549.99 =?

(1) 370              (2) 420             (3) 340           (4) 410      (5) 320

 

A5:  ? » 251 – 430 + 550 = 371 » 370

Option (1)

 

Q6: 6999 ¸ 70.005 × 94.998 =? × 19.999

(1) 475               (2) 420            (3) 320              (4) 540            (5) 525

 

A:6 7000 ¸ 70 × 95 » ? × 20

? = 7000 * 95 ÷ 70* 20

= 475

Option (1)

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Q7:  (49.99)2 – (8.9)2 – (15.9)2 =?

(1) 2165           (2) 2000           (3) 1965               (4) 1920                  (5) 1885

 

A:7   ? = (50)2 – (9)2 – (16)2

= 2500 – 81 – 256 = 2163 ~ 2165

Option (1)

 

Q8:  89.988% of 699.9 + 50.002% of 999.99 – 170.015 =?

(1) 990                (2) 900              (3) 920                (4) 960               (5) 860

 

A:8  ? = 700* 90 ÷ 100 + 1000* 50 ÷100 – 170

=  630 + 500 – 170 = 960

Option (4)

 

Q9: 1201 ¸ 14.99 × 19.91 + 400.01 =?

(1) 1700               (2) 1850            (3) 1800             (4) 1950              (5) 2000

 

A:9? » 1200 ¸ 15 × 20 + 400

= 1200 × 20 ¸ 15 + 400

= 1600 + 400 = 2000

Option (5)

 

Q10: 251.01 – 429.99 + 549.99 =?

(1) 370                 (2) 420              (3) 340               (4) 410               (5) 320

 

A:10 ? » 251 – 430 + 550 = 371 » 370

Option (1)

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August 15, 2017

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