Reasoning - math word problems - page 17 of 31

Number of problems found: 613

Card selection ways
How many ways do we know to select three cards from a deck of seven cards so that there are two red and one green between them?
A rhombus 4
A rhombus has a side length of 10 cm. Find the angles at each vertex of the rhombus if the shorter diagonal measures 7 cm. Give your answers to the nearest degree and provide clear geometric reasoning at each step.
Number digit sum
How many numbers are less than 200, the digit sum of which is 6?
PIN code probability
When entering the PIN code, we used the digits 2, 3, 4, 5, and 7 only once. What is the probability that someone will guess our PIN code on the first try?
Table tablecloth material
The table top is 1.2 m long, 55 cm wide, and 35 mm thick. Calculate how many regular meters of a 1 m wide roll are needed for a tablecloth that extends 15 cm beyond the bottom edge of the table on all sides.
Group placement ways
I have eight groups. How could they place first, second, and third?
Observatory and aircraft
The aircraft flying towards the observatory was aimed at a distance of 5300 m at an elevation angle of 28º and after 9 seconds at a distance of 2400 m at an elevation angle of 50º. Calculate the distance the plane has flown in this time interval, its spee
Debt purchase gain
Mr. Kabat did not pay the bank debt of 10,000 euros. His debt was bought from the bank by POHLEDOVKA for 5,000 euros. What did the company POHLEDOVKA gain from this, and what did the bank gain from it?
Strawberry candy selection
The opaque package contains five lemons, six apples, and three strawberry candies. At least how many sweets do we have to choose so that there is at least one strawberry among them?
Dividing money
The father originally wanted to divide the financial amount between his sons in the ratio of 7:6. However, he then split it at 6:5 (in the same order). One of the sons got angry that he should have received 120 euros more. How many euros did each son rece
Digits - numbering
We used 1533 digits to number the rough book. How many pages does this book have if each page, including page 1, is numbered?
Apple pear division
How many ways can you divide two identical apples and: a) 3, b) 4, c) 5 identical pears between Jane and Gretel?
Card number probability
On ten identical cards, there are numbers from zero to nine. Determine the probability that a two-digit number randomly drawn from the given cards is: a) even b) divisible by six c) divisible by twenty-one
Family children probability
We randomly choose a family with three children. We distinguish between gender and age. Determine the probability that: a) the youngest girl will be among the children b) all children will be of the same sex
Probability - on the roll
Find the probability that one will fall at least once in three rolls.
Dice even probability
We roll the dice twice. What is the probability that if an even number falls for the first time, the even number will fall a second time?
Two-digit number creation
How many natural two-digit numbers can we form from the digits 0, 1, 2, and 3 if we cannot repeat the digits in these numbers?
Cost price
Mrs. Ifeola bought ten baskets of carrots. By selling them for 450.00 per basket, she lost a total of 360.00. What was the cost price for the ten baskets?
Polya's method
On the way home from school, Dora likes to eat cookies. One daytime, just as she reached into her backpack, Swiper jumped into her path and grabbed her bag. It stole half of her cookies plus two more. A bit shaken, Dora continued home. Before she had a ca
Variation element increase
If we increase the number of elements by 2, the number of variations of the second class without repetition increases by 22. How many elements do we have initially?

Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.