Addition + arithmetic progression - practice problems
Number of problems found: 119
- The common difference 2
Find the common difference of an arithmetic progression (AP), whose first term is 5 and sum of its first 4 terms is half the sum of the next four terms. - Negative term
Which term of the AP 24,21,18,15,.....is the first negative term? - The common difference Find the common difference of an arithmetic progression (AP), whose 1st term is 5 and the sum of its 1st 4 terms is half the sum of the next four terms.
- What will What will be the average of the numbers from 1 to 51?
- The sum 46
The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? - Arithmetic progressions. Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3.
- AP with variables
What is the second member in the arithmetic sequence with 7 terms, whose first and last terms are x+2y and 7x-4y - Eduardo Eduardo wrote a fraction problem by adding 1/4 and then subtracting 2 1/2 in the same pattern, and he got these numbers: 8 5/8, 6 1/8, 6 3/8, 3 7/8 Identify the next two numbers in the pattern
- Geometric series How many terms of the geometric series 8+4+2+1+0.5+... must be taken for the sum to get within 10 to the power minus 4 of its sum to infinity?
- What is 24
What is the sum of numbers between 20 and 40? - The sum 39 The sum of the first six terms of the arithmetic sequence is 72, and the second term is seven times the fifth term. Find the first term and the AP difference.
- The AP pattern The number pattern below starts with 26.407. Subtract 0.325 from the previous term to find the next term.
- AP Formula Use the Arithmetic Sequence Formula to find the 120th term of this sequence: 3, 6, 9, 12, 15, 18, ...
- Fibonacci numbers
If the first three Fibonacci numbers are given as x1 = 1, x2 = 1, and x3 = 2, then what is the least value of n for which x(n) > 500?
- Equation - integers
Solve the equation with the unknown x from the field of natural numbers 1+6+11+16+. ... +x=970 - Determine 82975 Determine the sum of all positive odd numbers less than 78
- Calculate 82845 Calculate the sum of the first 9 terms of the geometric sequence if a3 equals 2 and a4 equals 8.
- Consecutive 82712 The sum of five consecutive even numbers is -10. What are the numbers?
- Subsequent 82511
The theater has 20 rows of seats on the ground floor. There are 16 seats in the first row, and each subsequent row has two more seats than the previous one. Find the number of seats on the ground floor of the theater.
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