Simplification Questions With Solution

Directions (1-4): What value will come in place of the question-mark (?) in the following questions?

1. (20 * 1.6)3 ÷ (20 * 3.2)^3 * 8^7 = (4)^(? + 3)

(1) 7  

(2) 6  

(3) 10

(4) 15  

2. 13 * 595 ÷ √1225 = (?)^3 + 157 

(1) 4√4     

(2) (64)^3 

(3) 4

(4) 16  

(5) None of these

3. (5  * 11)% of (35 * 34) + 126.2 = 398.7 + ?

(1) 412  

(2) 382  

(3) 418

(4) 428  

(5) None of these

4. 8 1/2 - [3 1/4 ÷{1 1/4 - 1/2(1 1/2 - 1/3 - 1/6)}]

(1) 4 1/2

(2) 4 1/6

(3) 9 1/2 

(4) 2/9 

(5) None of these

Directions (5-7): What approximate value will come in place of question-mark (?) in the following questions? 

5. 226.007 + 258.982 + 274.98 – 420•003 – 22.969 = ?

(1) 272  

(2) 242  

(3) 260

(4) 317  

(5) 365

6. 27% of 406 + 22% of 1125 = ?

(1) 440  

(2) 466  

(3) 334

(4) 358  

(5) 318

7. (4.5)^2 * 130.42 + 11.05 * 54.85 = ? 

(1) 3120  

(2) 3240 

(3) 3850

(4) 3660  

(5) None of these

Directions (8-10): Find out the wrong number in the following number series.

8. 110, 156, 210, 272, 342, 424

(1) 424  

(2) 210  

(3) 272

(4) 342  

(5) None of these

9. 35, 110, 335, 710, 1285, 1910

(1) 110  

(2) 335  

(3) 710

(4) 1285  

(5) None of these

10. 15, 42, 167, 512, 1239, 2570, 4767

(1) 42  

(2) 167  

(3) 512

(4) 1239  

(5) None of these

Answer Key :

1. (2)

2. (3)

3. (2)

4. (2)

5. (4)

6. (4)

7. (2)

8. (1)

The series is (10)2+10, (12)2+12, (14)2+14, (16)2+16, (18)2+18,\(20)2+20

So the number should be 420 in place of 424.

9. (4)

So the number should be 1235 in place of 1285.

10. (3)

So the number should be 510 in place of 512.


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