Simplification Questions for Syndicate bank, Canara bank and LIC AAO 2018

Directions (Q.1-5): What will come in the place of question mark (?) in the following questions?

 

Q.1 421 + 231 × 2 = ? + 112 + 205

(A) 562

(B) 557

(C) 545

(D) 621

(E) 495

 

Q.2 72 × 4 ÷ 12 + 441 = ?2 − 361 

(A) 19

(B) 15

(C) 5

(D) 8

(E) 21

Q.3
4
5
 of
3
7
of 
49
 5
of 625 = ? × 42 

(A) 65

(B) 58

(C) 52

(D) 49

(E) None of these

 

Q.4 ?% of 540 − 40% of 600 = ?% of 240

(A) 80

(B) 65

(C) 70

(D) 85

(E) 75

Q.5
51
19
×
4
√9
÷
17
361
=
? × 2
  9

(A) 362

(B) 352

(C) 342

(D) 332

(E) None of these

 

Answer 1. (B) 557

Explanation:

421 + 231 × 2 = ? + 112 + 205

421 + 462 = ? + 121 + 205

883 = ? + 326

? = 883 − 326 = 557

 

Answer 2. (D) 8

Explanation:

72 × 4 ÷ 12 + 441 = ?2 − 361

6 × 4 + 21 = ?2 − 19

24 + 21 + 19 = ?2

?2 = 64

? = 8

 

Answer 3. (E) None of these

Explanation:

4
5
 of
3
7
of
49
 5
of 625 = ? × 42
4
5
×
3
7
×
49
 5
× 625 = ? × 42

4 × 3 × 7 × 25 = ? × 42

2 × 25 = ?

? = 50

 

Answer 4. (A) 80

Explanation:

?% of 540 − 40% of 600 = ?% of 240

5.4 × ? − 240 = 2.4 × ?

5.4 × ? − 2.4 × ? = 240

3 × ? = 240

? = 80

 

Answer 5. (C) 342

Explanation:

51
19
×
4
√9
÷
17
361
=
? × 2
  9
51
19
×
4
 3 
×
361
 17 
=
? × 2
  9

19 × 4 × 9 = ? × 2

? = 19 × 2 × 9 = 342

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