Test   savollari

1. Cheksiz kamayuvchi geometrik progressiya yig’indisini toping: 1, 1/3, 1/9, …
A) 3/2
B) 2/3
C) 2/9
D) 3/5
E) 1/2

2. Agar cheksiz kamayuvchi geometrik progressiyada b₁=3 va q=1/3 bo’lsa, S ni toping:
A) 3/2
B) 9/2
C) 1/9
D) 9/5
E) 1/18

3. Agar cheksiz kamayuvchi geometrik progressiyada b₁=3 va q=1/4 bo’lsa, S ni toping:
A) 2
B) 3
C) 4
D) 3/4
E) 9/4

4. Cheksiz kamayuvchi geometrik progressiyada S=150, b₁=75 bo’lsa, q ni toping:
A) 1/3
B) 1/6
C) 1/4
D) 1/2
E) 1/9

5. Cheksiz kamayuvchi geometrik progressiyada S=50, b₁=25 bo’lsa, q ni toping:
A) 1
B) aniqmas
C) 1/3
D) 1/4
E) 1/2