Simplification and Approximation

Question 1

√7321 x 35.999 = ?

• 3060
• 3204
• 3410
• 2930

Question 2

5432.91 ÷ 2324.65 × 210.05 =?

• 471
• 431
• 491
• 501

Question 3

25.675% of 1321 + 64.328% of 4001=?

• 3121
• 3038
• 2912
• 2821

Question 4

(5√7 + 2√7) (6√7 + 3√7)= ?

• 521
• 381
• 441
• 481

Question 5

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

• 2.3
• 1
• 4.7
• 3.8

Question 6

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

• 100
• 125
• 130
• 117

Question 7

• 84/305
• 62/205
• 84/254
• 72/305

Question 8

• 141/12
• 131/12
• 121/12
• 111/12

Question 9

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

• 26
• 34
• 24
• 28

Question 10

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

• 2a
• a+b
• b-2a
• 0