Middle 1 U2 and part U1 from school book

• 2
• 7
• 49
• 98

If A = {7, 8, 0}, then the number of all subsets of A is

• 8
• 4
• 6
• 16

Hesham packed 100 cardboard boxes in 2.5 hours. It would take Hesham ... hours to pack 160 boxes, working at the same rate.

• 3.5
• 4
• 5
• 4.5

If 13,500 tourists represent 12% of a tourist group, then the number of tourists in the entire group is ... tourists.

• 108000
• 112500
• 125000
• 100000

If A = {1, 5, 3, 7} and B = {1, 2, 5, 9}, then find A ∪ B.

• {1, 5, 3, 7, 2, 9}
• {1, 5, 2, 9}
• {1, 5, 3, 7}
• {1, 2, 3, 5, 7, 9}

If A = {1, 5, 3, 7} and B = {1, 2, 5, 9}, then find A ∩ B.

• {1, 5}
• {2, 9}
• {3, 7}
• {1, 5, 9}

Alaa purchased a mobile phone for 6,750 LE and sold it for 7,776 LE. Calculate the percentage of Alaa's profit.

• 10.2%

• 11.2%

• 15.2%

• 18.2%

• 7.5
• 10
• 12.5
• 15

What is the suitable equation to determine the price of one shirt if you purchased three shirts of the same type from an online store if the total cost is 490 LE, after adding 40 LE for shipping?

• X + 40 = 490
• 3(X + 40) = 490
• X + 120 = 490
• 3X + 40 = 490

What is the algebraic expression equivalent to the following expression: 2X - 3 - 4X + 1?

• 2X - 2
• -2X + 2
• -6X - 4
• -2 - 2X