Geometric progression - practice for 14 year olds - page 2 of 3
Number of problems found: 47
- Compound interest
Compound interest: Clara deposited CZK 100,000 in the bank with an annual interest rate of 1.5%. Both money and interest remain deposited in the bank. How many CZK will be in the bank after three years? - Sum of money
On a certain sum of money, invested at the rate of 10% compounded annually, the difference between the interests of the first year and the third year is 315. Find the sum. - Probably member
Look at the series 2,6,25,96,285, ? What number should come next? - Determine 3854
Fill in the third number of the sequence and find the quotient: 2.5; 1.25;
- Coefficient
Determine the coefficient of this sequence: 7.2; 2.4; 0.8 - Coefficient: 3849
Determine the similarity coefficient: a) 4.8; 5.6; 8.4 b) 1.44; 1.68; 2.52 - Determine 3829
Determine the sum of the first three members of GP if q = 2 and a4 = 2.4. - Determine 3814
Determine the third, fourth, and fifth GP members if a1 = -0.5 with q = -4. - Q of GP
Calculate the quotient of geometric progression if a1=5 and a1+a2=12.
- Determine 3796
Determine the quotient and the second GP member if a3 = -5, a2 + a3 = -7 - Quotient
Determine the quotient and the second member of the geometric progression where a3=10, a1+a2=-1.6, and a1-a2=2.4. - Eight palm
There grow eight palms by the sea. At the first sitting, one parrot, on the second two, on the third sits four parrots on each other, twice the previous parrots sitting on a previous palm. How many parrots sitting on the eighth palm? - Gp - 80
One of the first four members of a geometric progression is 80. Find its if we know that the fourth member is nine times greater than the second. - Entrepreneur 2691
The entrepreneur invested euros in the bank at the beginning of 2000 for a period of 9 months with an annual interest rate of 12%. How many euros will the bank credit him with the deposit after nine months?
- Increased 2472
The price of skis increased twice from May to December, always by 20%. In December, the skis cost 1440 SKK. What was the original price in May? - Miraculous tree
The miraculous tree grows so fast that the first day increases its height by half the total height of the second day by the third, the third day by a quarter, etc. How many times will it increase its height after 6 days? - The city 2
Today lives 298000 citizens in the city. How many citizens can we expect in 8 years if their annual increase is 2.4%? - Saving per cents
The first day I saved 1 cent and every following day a cent more. How many do I save in one year (365 days)? - Piano
If Suzan practices 10 minutes on Monday, every other day, she wants to practice two times as much as the previous day. How many hours and minutes will she have to practice on Friday?
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