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Simplification and Approximation

Question 1

√7321 x 35.999 = ?

  • 3060

  • 3204

  • 3410

  • 2930

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Question 2

5432.91 ÷ 2324.65 × 210.05 =?

  • 471

  • 431

  • 491

  • 501

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Question 3

25.675% of 1321 + 64.328% of 4001=?

  • 3121

  • 3038

  • 2912

  • 2821

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Question 4

(5√7 + 2√7) (6√7 + 3√7)= ?

  • 521

  • 381

  • 441

  • 481

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Question 5

(38/85) x (255/114) ÷ (19/5) + (14/19) = ?

  • 2.3

  • 1

  • 4.7

  • 3.8

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Question 6

(14.2)²+ (16.4)² − (17.9)² = ? + 32.99

  • 100

  • 125

  • 130

  • 117

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Question 7

Question-7

  • 84/305

  • 62/205

  • 84/254

  • 72/305

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Question 8

Question-8

  • 141/12

  • 131/12

  • 121/12

  • 111/12

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Question 9

If a × b = 2a - 4b + 2ab, then 3 × 4 + 4 × 3 = ?

  • 26

  • 34

  • 24

  • 28

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Question 10

b - [b -(a+b) - {b - (b - a+b)} + 2a] = ?

  • 2a

  • a+b

  • b-2a

  • 0

Discuss it

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