Maths practice for 12-year-olds - page 115 of 355
Number of problems found: 7081
- Center-symmetric letters
Find out which we can write letters (uppercase) as center-symmetric. - Divide in ratio
What is 75 in the ratio of 2:3? - Antipandemic garlic
Noah bought 0.328 kg of garlic, 0.072 kg of tomatoes, 0.1112 kg of onions, and the remaining kg of ginger to make it 2.387 kilograms altogether. How many kg of ginger had he bought? - Sets
If X = {1, 2, 3, 4, 5 . . .10}, Y = {2, 4, 6,. . . 20} and Z = {x: x is an integer, 15 ≤ x ≤ 25 }. Find (a) X ∩ Y, (b) X ∩ Z, (c) n(X ∪ Y), and (d) n(X ∪ Z) - Eq1
When the product of two less than three times a number and four is subtracted from nine times the number, the result is eight more than five times the number. What is the number? - Ethan
Ethan is a farmer. He spends 50 hours each week working on the farm. In the summer, Ethan spends 4/11 of his time cleaning and 2/9 of his time feeding the animals. How many hours does he spend feeding the animals every week? Fill sentence: Ethan spends __ - Antonio
Antonio is thinking of an improper fraction and a mixed fraction with a sum of 5 5/12. The improper fraction is 8/3. What is the mixed number? - All needs
All need a mean score of 92 or higher on four texts to get an A. So his scores are 94. 90. and 84 What score on the fourth test will get him an A? - Power consumption
The price of electricity is ₱6.50 per kilowatt hour (kWh). How much electricity was consumed if a television with 120 W power consumption ran from 7:30 AM to 12:30 PM? How much will this cost? - There 19
There are 19 boys in section A and 23 boys in section B. If 4/7 of them are boy Scouts, how many boy scouts are there? - Rectangular lot
What is the area of a rectangular lot that measures 12 3/4 meters long and 8 5/6 wide? - Alica
Alica went to the market and bought two sacks of 50 kilograms of rice, which cost P2,200.50 per sack. She wants to sell it in her grocery store at P48.50 per kilo. How much is her profit? - Parentheses
Insert parentheses into the expression 2/3 times 5/6 + 3/4 divided by 3/5 so that a. The first operation to be performed is addition and b. The first operation to be performed is division. In both cases, evaluate and write results. - Area of a room
Find the area of a room 9/7 m and 2/7 m. - Mr Covido
Mr. Covido shared 4 000.00 PHP, which is 1/5 of his monthly salary, for buying face masks and bottled alcohol due to this pandemic situation. How much was his monthly salary? - Hockey podium possibilities
How many different positions can there be in the first three places in the hockey world championship if 12 teams are playing in them? How many possibilities exist if we are only concerned with which teams will be on the podium? - Box of apples
There are 50 apples in the box. 2/5 of the apples are rotten. How many apples are rotten? - Paulownia
Seed germination is 80%. Of the sprouted plants, 8% subsequently die. How many plants does a gardener grow from 1,500 seeds? - What is 14
What is (-2)4× 34? - Louis 2
Louis had a 9 m-long rope that he cut into several pieces that measured 1 1/8 m long each. Thus, he had 9 pieces.
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