Set-26 Simplification/Approximation For SBI PO and SBI Clerk 2019 | Must Go Through These Questions

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Directions:(1-5) What value should come in place of the questions mark (?) in the following questions?

1. (75 x 82 – 34 x 29 + 11 x 15)½ = ?

2. ? % of 800 =293 – 22% of 750

3. (5 x 7)% of (34 x 55) + 456.60 = 699.1 + ?

4. 32.5 x 26% of 450 ÷ 3 – 745.5 = ?

5. 22.5% of 1400 + 12.5% of 2560 = 144% of 750 – ?

Directions:(6-10) What should come in place of the question mark(?) ?

6. 61.2 x 36? x 302.4 x 251.3 = 305

7. 44 x 56 + 73 x 47 – 65 x 75 = ?

8. 162 + 222 + 262 + 322 = ?

9. √1369 + √841 – √169 = ?

10. (?)2 + 73 = 372 – 2

 

 

Check your Answers below:

 

 

 

Directions:(1-5) What value should come in place of the questions mark (?) in the following questions?

1. Question

(75 x 82 – 34 x 29 + 11 x 15)½ = ?

Ans: 1
? = √(6150 – 986 + 165) = √5329 = 73
2. Question

? % of 800 =293 – 22% of 750

Ans: 4
?x8 = 293 – 22×750/100 = 293 – 165 = 128
=> ? = 16
3. Question

(5 x 7)% of (34 x 55) + 456.60 = 699.1 + ?

Ans: 1
0.35 x 34 x 55 + 456.6 = 699.1 + ?
=> ? = 654.5 + 456.6 – 699.1 = 412
4. Question

32.5 x 26% of 450 ÷ 3 – 745.5 = ?

Ans: 2
? = 32.5 x 0.26 x 150 – 745.5 = 1267.5 – 745.5 = 522
5. Question

22.5% of 1400 + 12.5% of 2560 = 144% of 750 – ?

Ans: 4
22.5 x 14 + 12.5 x 25.6 = 144 x 7.5 – ?
=> 315 + 320 = 1080 – ?
=> ? = 1080 – 315 – 320 = 445

Directions:(6-10) What should come in place of the question mark(?) ?
6. Question

61.2 x 36? x 302.4 x 251.3 = 305

Ans: 1
61.2 x 62x x 52.6 = 302.6 = 62.6 x 52.6
Hence, 1.2 + 2x = 2.6
Or x = 0.7
7. Question

44 x 56 + 73 x 47 – 65 x 75 = ?

Ans: 2
? = (50-6)(50+6) + (60+13)(60-13) – (70-5)(70+5)
= 502 – 62 + 602 – 132 – 702 + 52
= 2500 – 36 + 3600 – 169 – 4900 + 25
= 1020
8. Question

162 + 222 + 262 + 322 = ?

Ans: 5
? = 256 + 484 + 676 + 1024 = 2440
9. Question

√1369 + √841 – √169 = ?

Ans: 4
37 + 29 – 13 = 53
10. Question

(?)2 + 73 = 372 – 2

Ans: 4
(?)2 = 372 – 2 – 73
= 1369 – 2 – 343 = 1024
So, ? = 32

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