Maths practice for 12-year-olds - page 88 of 354
Number of problems found: 7066
- Insecticides
Manny used 5/6 gallons of insecticides to disinfect his poultry house. He used 1/4 gallon of water to dilute it. What was the total mixture? - Nelly 3
Nelly jogged 7/10 km, walked 5/10 km, ran 3/10 km, walked another 7/10 km, and jogged 6/10 km. How many kilometers did she travel in all? - The melon
There was 1 3/6 melon left for dinner. At dinner time, the family ate 4/6 of the melon. What part of the melon was left for the next meal? - Jerrie
Jerrie can repair her car in 1 1/12 hours. A mechanic can do the same job in 8/12 hours. How much longer does it take Jerrie than the mechanic? - The mall
Pia spent 1 9/12 hours in her grandparents' house. This time was 8/12 of an hour more than the time she spent at the mall. How much time did she spend at the mall? - The cost 6
The cost of 1 liter of milk is rs 0.68. Find the cost of 7 liters of milk. - You have 2
You have 6/13 of a pie. If you share 9/10, how much will you have left? - The product 8
The product of five and the difference of triple the number and three is 25. Find the number. - Seed germination calculation
Out of 150 seeds, 12 did not germinate. How many seeds will not germinate if we sow 450 of them? - A company
The company has 860 employees, of which 500 are female. Write a fraction to represent the female employees in the company. - Dan goes
Dan goes to the bank and deposits $64.35 in cash and two cheques: one for $90.23 and the other for $71.68. What is his total deposit? - On Friday 2
On Friday, a bowling alley made $842.72 from lane rentals and $412.38 from the concession stand. On Saturday, their lane rentals were down by 1/8, but the concessions increased by One-half. What is the total amount that the bowling alley earned in lane re - Koos spent
Chris spent 3/7 of his monthly pocket money during the first week. The following week, he spent two-thirds of what he had spent the previous week. What is the fraction of the pocket money that is still left? - A bus 3
A bus has a petrol tank in the shape of a cylinder. The cylinder is 125 cm long and has a diameter of 42 cm. (i) How much will a full tank of petrol cost at the rate of 5.23 per liter? (ii) If the bus uses petrol at 12.5 liters for every 50 km, how far ca - The fuel
The car's fuel was ¾ full at the beginning of the week. At the end of the week, there was ⅛ of a tank left. a. Did the car use more or less than ½ of a fuel tank? How do you know? b. How much more or less than ½ of a tank did it use? Show your work using - Express value
Given that p = √(mx/t-t² x) Make x the subject If m = 7, p = -3 and t = 4, find the value of x - Cube edge volume
The surface of a cube is equal to 294 square meters. Calculate the edge and volume of the cube. - Mrs. Rivera
Mrs. Rivera bought 9 and 3/4 m of curtain cloth. She used 5 m to make a curtain for the office window. How many meters of cloth were not used? Simplify your answer. - Length in yds
Find the area of a rectangle with a length of 4 3/4 yards and a width of 1 1/16 yards. - The speed 2
The speed of an electric locomotive is 90 km/h. Express this speed in m/s.
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