Natural numbers - practice for 13 year olds - page 3 of 28
Number of problems found: 548
- Comparing exponents
A) 8 (6²)(8²) b) 16 (6²)(8²) c) (6¹+²) (8²) - Naturally 7826
The ratio of two natural numbers is 2: 3. The smaller number naturally is 12. What is the product of these numbers? - Mrs Perry
Mrs. Perry shares 25 biscuits between Gemma and Zak in a ratio of 1:4. How many biscuits have each? - Letters
ABC + DEF = GHIJ replace letters with numbers so that the sum is correct (different letters = different numbers)
- Students 20003
The class's ratio of boys to girls is 5:7. There are ten boys. How many students are in the class? - Pencils 4
Pencils, Pens, and Exercise books in a shop are in the ratio of 1:2:3. If there are 12 pencils, the number of exercise books in the shop is: - Multiple ratio
The numbers of boy students, girl students, teachers, and other staff of the school are in the ratio of 14:12:2:1. How many teachers are there at school if there are 216 girl students at school? - Candies
There are red, blue and green candies in bad. Red to green is in the 6:11 ratio, and blue to red is in the 7:5 ratio. In what proportion are blue to green candies? - Tickets 11
There are 72 tickets to be shared and divided between Section X and Section Y in the ratio of 4:5. How many tickets will Section Y receive?
- The sum 25
The sum of the two numbers is 215. If the ratio is 2: 3, find the larger number. A. 86 B, 129 C. 215 D. 381 - Volleyball 2
In a volleyball game, Michael made four shots in 8 tries. At this rate, how many shots can he make in 12 tries? - Proportion 3
For every eight mango trees in the orchard, there are 4-star apple trees. If there are 1320 trees, how many trees of each kind are there? - A man 8
A man has 72 sheep. He wants to divide the sheep among his four children in the ratio of 5:3:2:2. How many sheep will each child get? - A labourer
A laborer who works five days a week starts working on Monday at 10 AM. If he works for 56 days, on which day will he complete the job?
- A basket
A basket is full of 50 different kinds of fruits with a ratio of 2:3:5. If the fruits are apple, mango, and guava, how many guavas are there? - Boys and girls
If the ratio of male & female teachers is 2/5 & it is in the proportion of the male & female students, how many are girls if there are 42 boys? - Big school kitchen
Suppose 250 learners can be fed by 75kg. How many kg can 600 learners be fed? - Hundred 7239
Each of the six horses ate just 75 days in a hundred days. How many and at least days could be during which at least five horses ate? - Passengers 45501
During the rescue of the sinking ship, the passengers were divided into three boats in a ratio of 3:4:5. There were 15 passengers in the first boat. How many passengers were rescued together?
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