Maths practice for 14 year olds - page 88 of 379
Number of problems found: 7567
- Reverse percentages
A washing machine that is on sale has a price tag of R 1 240, representing a discount of 22.5% off the original price. What was the original price? - An amusement 2
An amusement park sells child and adult tickets at a ratio of 8:1. On Sunday, they sold 147 more child tickets than adult tickets. How many tickets did the amusement party sell on Sunday? - Neziswa
Neziswa is conducting an experiment in which the temperature is measured carefully. The temperature was 76°C at the end of the first minute, and then it fell by 5°C every minute. Determine a formula to calculate the temperature (T) after m minutes. - The average 5
The average of the two numbers is 9.5. One of the numbers is 11. What is the value of the other number? - Hectares 68854
Tractor drivers plow "h" hectares of land per day. How many hectares of land would they have to plow per day to plow the 585 ha area three days earlier than planned? For which "h" does this problem have a positive solution? - Susan 2
Susan packed some sugar into small and large packets. The total mass of 4 large packets and three small packets is 43 kg. Each large packet is 2kg heavier than each small packet. What is the mass of a large packet of sugar? - Intersections 68784
The figure shows the circles k₁(S₁; r1=9 cm) and k₂(S2; r2 = 5 cm). Their intersections determine a common chord t 8 cm long. Calculate the center distance |S₁ S₂| in cm to two decimal places.
- They divided
Jana, Martina, and Zuzka divided the candies in the ratio 3:7:5. Martina received 9 candies less than Jana and Zuzka had together. Which statement is true? A. Martina received fewer candies than Zuzka. B. They all received 135 candies together. C. Martina - Different 68754
We have six balls of different colors. We select two balls at once. How many options? - Length 26
The length of the median of the trapezoid is 10 inches. The median divides the trapezoid into two areas whose ratio is 3:5. The length of the shorter base is: - Mark Argie
Mark Argie has P11.50 more than Erwin. Together, the two boys have P131.50. How much does Mark Argie have? - Fertilizer 68694
0.6 l of fertilizer goes to 40 l of water. How much fertilizer should be put in per 10 liters of water? - Which 9
Which of the temperatures is the coldest? A.100 degrees Celsius, B.373 degree Kelvin, C. 32 degrees Fahrenheit. - Shortening 68624
The shirt price was reduced by 10% of the original price k. On the other hand, the price of the suit was increased by 5% of the original price p due to the shortening of the legs. Depending on the variables k, and p, express the total cost of the two shir - Corresponding 68604
The prism with a square base has a volume of 200 liters, and the length of its base edge is a decimeter. Using the corresponding expression of the prism, write the height of the prism in decimetres.
- Probability 68594 What is the probability that any two-digit number a) is divisible by five b) is it not divisible by five?
- Probability 68574
The target is divided into three zones. The probability of a shooter hitting the first band is 0.18, the second band 0.2, and the third band 0.44. What is the probability that a) hits the target, b) miss the target? - Probability 68564
What is the probability that the number a) greater than 4, b) Will the number greater than four fall on the dice roll? - Expression 68504 Determine the number by which we must multiply the expression (square root one plus one whole and one quarter) to obtain the number 12.
- One-seventh 68434
It is given that 1 1/7 of the whole is 32. Determine what 2 1/4 of the total is. (One whole and one-seventh, two whole and one quarter).
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