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Directions(Q.1-10): What approximate value will come in the place of the question mark(?)

in the following questions?(You are not expected to calculate the exact value.)

1. 1524.79 * 19.92 + 495.26 = ?

A. 31000

B. 32000

C. 33000

D. 34000

E. 36000

Answer & Explanation

Answer – A. 31000

Explanation :

1525 * 20 + 495 = 30995

2. 1548.45 + 3065.15 ÷ 15.058 = ?

A. 1650

B. 1750

C. 1850

D. 1950

E. 1550

Answer & Explanation

Answer – A. 1650

Explanation :

3065 ÷ 15 = 204 + 1548 = 1752

3. 25*3.25 + 50.4 ÷ 24 = ?

A. 77

B. 66

C. 55

D. 44

E. None of these

Answer & Explanation

Answer – A. 77

Explanation :

25 * 3 = 75; 75 + 2 = 77

4. (833.25 – 384.45) ÷ 24 = ?

A. 15.8

B. 16.5

C. 18.7

D. 17.9

E. 17.5

Answer & Explanation

Answer – C. 18.7

Explanation :

(833.25 – 384.45) = 448.48

448.48 ÷ 24 = 18.68

5. 5907 – 1296 ÷ 144 = ? * 8

A. 700.25

B. 658.25

C. 628.25

D. 737.25

E. 630.5

Answer & Explanation

Answer – D. 737.25

Explanation :

1296 / 144 = 9

5907 – 9 / 8 = 737.25

6. 3237 ÷ 31 * 15 = ? * 17

A. 120

B. 70

C. 90

D. 80

E. 60

Answer & Explanation

Answer –C. 90

Explanation :

3237 ÷ 31 = 104

104 * 15 / 17 = 91

7. √7378 * √1330 ÷ √660 = ?

A. 150

B. 160

C. 120

D. 170

E. 140

Answer & Explanation

Answer – C. 120

Explanation :

√7378 = 86 ; √1330 = 36; √660 = 26 86 *1.4 = 120.4

8. (32.13)2

+ (23.96)2

– (17.11)2

= ?

A. 1410

B. 1310

C. 1550

D. 1650

E. 1810

Answer & Explanation

Answer B. 1310

Explanation :

(32.13)2

= 1024

(23.96)2

= 576; (17.11)2

= 289; 576 – 289 = 287; 1024 + 287 = 1311

9. 67% of 801 – 231.17 = ? – 23% of 789

A. 400

B. 490

C. 550

D. 600

E. 750

Answer & Explanation

Answer – B. 490

Explanation :

67*8 = 536; 536 – 231 + 181 =486

10. (989/34) ÷ (65/869) * (515/207) = ?

A. 845

B. 870

C. 945

D. 745

E. None of these

Answer & Explanation

Answer – C. 945

Explanation :

29 * 13 * 2.5 = 945

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