Maths practice for 14 year olds - page 75 of 378
Number of problems found: 7551
- After 6
After buying half a dozen eggs, three cans of sardines, and a pack of milk, Enya received a change of P0.50 from her P200. The pack of milk costs P105, and a can of sardines costs P16.50. How much is the price of an egg? - Tanya
Tanya bought three adult tickets and one children's ticket to a movie for $22.10. Li bought five adult tickets and four children's tickets for $43.60. Find the cost of one adult ticket and the cost of one children's ticket. - Markup 2
A store manager paid $74 for an item and set the selling price at $102.86. What was the percent markup? - Din has
Din has 15 3/4 kg of nuts. Suppose you sell the nuts for P40.00 for every 1/4 kg. How much is the total cost of the nuts? - Non equivalent ints
Two n-digit integers are said to be equivalent if one is a permutation of the other. Find the number of 5-digit integers such no two are equivalent. If the digit 5,7,9 can appear at most one, how many non-equivalent five-digit integers are there? - Score on tests
On the first six tests in his Mathematics subject, his scores were 92, 82, 86, 93, 96, and 91. If he took the seventh test and raised the mean of his scores by exactly one point, what is his score on the 7th test? - Henry Henry has scored 72, 67, 82, and 79 on his Algebra tests. Use an inequality to find the scores he must take on the final exam to pass the course with an average of 77 or higher, given that the final exam counts as two tests.
- Jen and Steve
Jen and Steve plan to read a series of famous books. Jen has already read ten books and will continue to read three books per week. Steve, who hasn't started reading the series yet, will read four books per week. How long will it take for Steve to be read - There 25
There are four red marbles and six blue marbles in a bag. What is the probability of picking up one blue marble and then one red marble? (assume that you keep the blue marble out of the bag) - Dividing money 6
P 49,000 is to be divided among three children, X, Y, and Z. If X will receive double that of Y. Y will receive double that of Z, how much will Z will receive? - The population
A city's population increased from 977,760 in 1995 to 1,396,714 in 2005. What is the percentage of increase? Round your answer to the nearest tenth of a percent. - Figure 2
Figure A maps to figure B with a scale factor of 0.75. The length of the line AB segment in figure A is 10. What is its length on the image in figure B? - Figure
Figure A is a scale image of Figure B, as shown. (Figure A is 6 inches, and Figure B is x inches, both squares) The scale that maps Figure A onto Figure B is 1:1 1/3. Enter the value f x - A fair coin
A fair coin is tossed twice. Write down the set of possible outcomes. What is the probability of obtaining it? I. Exactly one head ii. No head - Building a wall
If 12 men can build a wall 398 meters long in 48 days, how long would it take 33 men to build a wall 347 meters long? Answer to 3 decimal places.
- Jellybeans
There are 120 jellybeans in a bag. Sixty-three are orange, and the rest are red. In its simplest form, what is the ratio of orange jellybeans to red jellybeans? - I bought 2
I bought two bottles of alcohol and two sanitizers for Php126. How much is a bottle of alcohol if the cost of alcohol is five times the cost of sanitizer? - A cube
A cube has a surface area of 64 ft². Hedy creates a reduction of this cube using a scale factor of 0.5. What is the surface area of the reduction? - One gas
One gas tank was 2/3 full. The second tank of equal size was 1/5 full. The amount of gas in the 1st tank was 100 liters. How many liters is the amount of gas in the second tank? - Fuel volume
1/2 of a tank is filled with oil when 36 liters are removed, and the remaining oil fills 1/10 of the tank. What fraction of the total is the amount of oil removed?
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