Geometric sequences
(the database of solved problems)
All the problems and solutions shown below were generated using the Geometric sequences.
ID |
Problem |
Count |
9901 | Find a5 of a geometric progression if a1=75 and r=23. | 1 |
9902 | Find a6 of a geometric progression if a1=972 and r=3. | 1 |
9903 | Find a5 of a geometric progression if a1=1536 and r=2. | 1 |
9904 | Find a10 of a geometric progression if a1=1536 and r=−4. | 1 |
9905 | Find a12 of a geometric progression if a1=−5 and r=−3. | 1 |
9906 | Find the sum of the first 5 terms of a geometric sequence if a1=243 and r=−32. | 1 |
9907 | Find the sum of the first 10 terms of a geometric sequence if a1=45 and r=2. | 1 |
9908 | Find a4 of a geometric progression if a1=42 and r=−8. | 1 |
9909 | Find the sum of the first 10 terms of a geometric sequence if a1=2 and r=109. | 1 |
9910 | Find a10 of a geometric progression if a1=2 and r=109. | 1 |
9911 | Find a6 of a geometric progression if a1=30 and r=54. | 1 |
9912 | Find a2 of a geometric progression if a1=30 and r=54. | 1 |
9913 | Find a3 of a geometric progression if a1=30 and r=54. | 1 |
9914 | Find a4 of a geometric progression if a1=30 and r=54. | 1 |
9915 | Find a12 of a geometric progression if a1=−1 and r=−6. | 1 |
9916 | a1=10 , r=0.333 , an=2222 , n=? | 1 |
9917 | a1=10 , r=1.5 , an=1490 , n=? | 1 |
9918 | Find the sum of the first 6 terms of a geometric sequence if a1=30 and r=21. | 1 |
9919 | Find a3 of a geometric progression if a1=75 and r=3. | 1 |
9920 | Find the sum of the first 6 terms of a geometric sequence if a1=32 and r=23. | 1 |
9921 | Find first element ( a1 ) of a geometic progression if r=31 and a6=443. | 1 |
9922 | a1=16 , r=21 , Sn=31.94 , n=? | 1 |
9923 | Find a5 of a geometric progression if a1=1 and r=−41. | 1 |
9924 | Find a15 of a geometric progression if a1=1 and r=−41. | 1 |
9925 | Find a6 of a geometric progression if a1=−21 and r=−23. | 1 |
9926 | Find a4 of a geometric progression if a1=−23 and r=2. | 1 |
9927 | Find a8 of a geometric progression if a1=−23 and r=2. | 1 |
9928 | Find a12 of a geometric progression if a1=−23 and r=2. | 1 |
9929 | Find a4 of a geometric progression if a1=2 and r=−21. | 1 |
9930 | Find the sum of the first 5 terms of a geometric sequence if a1=20 and r=1.3. | 1 |
9931 | Find the sum of the first 38 terms of a geometric sequence if a1=2 and r=2. | 1 |
9932 | Find a5 of a geometric progression if a1=40000 and r=201. | 1 |
9933 | Find a14 of a geometric progression if a1=3 and r=2. | 1 |
9934 | Find a9 of a geometric progression if a1=6 and r=5. | 1 |
9935 | Find the sum of the first 10 terms of a geometric sequence if a1=70000 and r=1.015. | 1 |
9936 | Find the sum of the first 1000 terms of a geometric sequence if a1=1 and r=2. | 1 |
9937 | Find first element ( a1 ) and a common ration ( r )
of a geometic progression if a2=6 and a3=16. | 1 |
9938 | Find a10 of a geometric progression if a1=20 and r=4. | 1 |
9939 | Find common ratio ( r ) in geometic progression if a1=43 and a2=38. | 1 |
9940 | Find the sum of the first 13 terms of a geometric sequence if a1=14 and r=54. | 1 |
9941 | Find a1 of a geometric progression if a1=16 and r=21. | 1 |
9942 | a1=2 , r=2 , Sn=14 , n=? | 1 |
9943 | a1=6 , r=21 , a1=? , r=? | 1 |
9944 | Find a4 of a geometric progression if a1=1252 and r=5. | 1 |
9945 | Find a7 of a geometric progression if a1=0.0008 and r=−10. | 1 |
9946 | Find a13 of a geometric progression if a1=2 and r=6. | 1 |
9947 | Find the sum of the first 9 terms of a geometric sequence if a1=18 and r=31. | 1 |
9948 | Find the sum of the first 8 terms of a geometric sequence if a1=5 and r=10. | 1 |
9949 | Find a14 of a geometric progression if a1=5 and r=2. | 1 |
9950 | Find a15 of a geometric progression if a1=5 and r=2. | 1 |