Reason - practice problems - page 2 of 102
Number of problems found: 2024
- Cows and hens
In a group of cows and hens, the number of legs is 14, more than twice the number of heads. Find the number of cows.
- Series - double GP
In the following series, which number will replace the question mark? 4, 32, 16, 128, 64,?
- Secondary 5
Secondary Middle School has 1200 students. Each student takes 5 classes a day. Each teacher teaches 4 classes. Each class has 30 students and 1 teacher. How many teachers are there at Secondary Middle School?
- Parallelogram - right angles
In parallelogram ABCD; AB = 16 cm, BC = 12 cm and diagonal AC = 20 cm. Find the area of the parallelogram.
- The reflection law
AB is a mirror, PQ is the incident ray, and QR is the reflected ray. If angle PQR = 112°, find angle PQA.
- Four years
Four years ago the average age of A and B was 18 years . If the present average age of A, B, and C is 24 years. Find the age of C after 8 years .
- Diagonals
What is the number of diagonals of a decagon?
- Remainder one
Find the least number when divided by 2,3,4,5,6, and 7, leaving the remainder as 1 in each case.
- 20 men
20 men are supposed to complete a work in 10 days. After working for 5 days, they realize that only one-fourth of the work is done. How many more men they need to employ to complete the work on time?
- Offset the mean
The mean of 16 numbers is 8. If 2 is added to every number, what will be the new mean?
- Plasticine cuboid
Paul makes a cuboid of plasticine with sides 5 cm, 2 cm, and 5 cm. How many such cuboids will he need to form a cube?
- Gift baskets
Alessia and Alexia made some gift baskets to sell. 2/5 of them were Yu-Gi-oh themed, and the rest were Barbie-themed. They sold 3/4 of the yu-gi-oh-themed baskets and 7/12 of the Barbie-themed baskets. They remained with 56 gift baskets. How many gift bas
- Five couples
In how many ways can 5 couples arrange themselves in a row if they stay together?
- BODMAS rules
To solve this problem using BODMAS (Brackets, Orders, Division and Multiplication, Addition and Subtraction), we need to arrange the numbers 50,5,1,10,1,10 in a way that results in 222.
- Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3.
- Hotel rooms 2
Waterside bed and breakfast has 10 rooms. On average, they sell 8 rooms. The rate is $45 per night, bed and breakfast, $65 per night. Calculate the yield.
- Eggs in basket
If the eggs in a basket are removed twice at a time, one will remain. Two eggs will remain if the eggs are removed three at a time. If the eggs are removed four, five, or six at a time, the three, four, and five eggs will remain, respectively. However, no
- Three 241
Three-fifths of the t-shirts in a t-shirt shop are blue. Five-eights of those T-shirts are on sale. One-third of the blue of the blue shirts that are on sale are size medium. What fraction of the shop's blue T-shirts are on sale and size medium?
- A ferry
A ferry with a capacity of 10 people takes a group of 13 men and 7 women across a river. Find the number of ways in which the group may be taken across the if all women go on the first group.
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