If p and q are odd integers which of the following is always even?
ক) p² + q²
খ) pq
গ) p²q
ঘ) pq+2
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ক) 4 : 3
খ) 5 : 4
গ) 6 : 5
ঘ) 7 : 6
ক) 0°
খ) 30°
গ) 60°
ঘ) 90°
ক) [-3 5]
খ) [5 ∞)
গ) (-∞ -3]
ঘ) [-3 5)
ক) 18°
খ) 72°
গ) 90°
ঘ) 60°
ক) have
খ) were
গ) are
ঘ) has
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