Algebra + reason - practice problems - page 35 of 53
Number of problems found: 1058
- Special sequence
What if 2×9=1 3×9=2 4×9=3 5×9=4 6×9=5 7×9=6 8×9=7 9×9=8 10×9=9 then 1×9=??? Answer with solutions. - The sum AP with rule
Find the sum of all natural numbers between 1 and 100, which are divisible by 2 or 5 - Reminder and quotient
There are given the number C = 281, D = 201. Find the highest natural number S so that the C:S and D:S are with the remainder of 1. - Big number
What is the remainder when dividing 10 by 9 to 47 - 111?
- Probably member
Look at the series 2,6,25,96,285, ? What number should come next? - Landlord
The landlord had 49 ducats more than Jurošík. How many ducats Jurošík steal landlord if the Jurošík now five ducats more? - Arithmetic 40431
Fill the numbers in the place of the asterisk to form an arithmetic sequence. (2, *, 5, *, 8, 9.5,11) - Oranges 7824
I have 20 pieces of fruit. How many apples when pears are nine times more than oranges? - Double-digit 7736
How many double-digit numbers lie on the number axis closer to the number 31 than to the number 100?
- Original 4777
Which number has such a property that if we increase it by 7, we get a number with the same absolute value as the original number? - In the library
The library at Lenape Elementary School has 2/5 as many fiction books as nonfiction books. There are 56 books in the school library. How many books are fiction books? - 7 digit number
If 3c54d10 is divisible by 330, what is the sum of c and d? - Brick weight
The brick weighs 4 kg and a half-brick. How much does one brick weigh? - MATHEMATICS: 46893
Solving the problem, substituting letters with numbers in the word MATHEMATICS: MAT + EMA = TIK
- Asymmetric 5407
Find the smallest natural number k for which the number 11 on k is asymmetric. (e.g. 11² = 121) - Inequalities: 4229
Find the number of all integers x that satisfy the following two inequalities: | x + 2 | = 3 - More money
Lenka has €4.8 more than Natalia. Who will have more and how much when Lenka gives Natalia €2.5? - Buffet
At the school, buffet were 30 children. Twenty-one children bought sandwiches, and 15 children bought lemonade. Four children did not buy anything. How many children bought lemonade and sandwiches? - Sequence
In the arithmetic sequence, is a1=-1, d=4. Which member is equal to the number 203?
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