Arithmetic + reason - practice problems - page 14 of 22
Number of problems found: 421
- Numbers 13691
Write the number 126 as the sum of three numbers, which ratio is 2:5:7 - According 5963
The numbers are arranged according to a specific logical order. What number should be in the blank a, b? 3, 7, 15, a, 63, 127, b - When 5
When five is subtracted from both my numerator and denominator, I become 3/4. What fraction am I? - Together
The three friends divided the balls in a ratio of 6:5:4. Some two got 126 balls. How many balls were there together?
- Toy store
In the toy department of the store were exposed 28 dolls. Nineteen dolls were blondes or could speak. Twelve dolls were blondes, and 14 could speak. How many blondes could speak in the toy department? How many blondes could not speak? - Specific 66124
The numbers are arranged in a specific logical order. Fill in the missing numbers. 5, 8, 16, 15, 18, 36, 35, 38,?,?, - 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. - 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. - Landlord
The landlord had 49 ducats more than Jurošík. How many ducats Jurošík steal landlord if the Jurošík now five ducats more?
- 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? - Asymmetric 5407
Find the smallest natural number k for which the number 11 on k is asymmetric. (e.g. 11² = 121) - 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? - Quantities 60183
Determine the remaining quantities in the finite geometric sequence, given: n = 4, an = 12.5, sn = 187.5, a1 = ?, q =?
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