# How to Solve Simplification & Approximation Questions? Tips & Tricks

## How to Solve Simplification and Approximation Questions? Tips & Tricks

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## 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)

## mock test papers

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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October 9, 2017