MCQs

Q121: The solution of 2x² - 6x = 0 when?

• A) x∈W is {0, 3}
• B) x∈0{0}
• C) x∈0{3}

Q122: If A and B are two non-empty disjoint sets then (A-B)∩B = ____?

• A) A∩B
• B) AUB
• C) ∅

Q123: 200 ÷ 5 = ____?

• A) 40
• B) 50
• C) 30

Q124: The area of a rectangle 5 cm long and 4 cm wide is?

• A) 15 cm²
• B) 20 cm²
• C) 10 cm²

Q125: The perimeter of a square with side 6 cm is?

• A) 24 cm
• B) 12 cm
• C) 30 cm

Q126: 1/4 of 100 = _____?

• A) 25
• B) 30
• C) 20

Q127: Which of these is an even number? 22, 21,19, 17

• A) 22
• B) 21
• C) 19

Q128: 9 × 12 = ____?

• A) 108
• B) 112
• C) 120

Q129: If a pencil costs 7 rupees, how much will 5 pencils cost?

• A) 35
• B) 40
• C) 30

Q130: 5²(five squared) = ____?

• A) 20
• B) 25
• C) None of these