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)
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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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