Maths practice for 14 year olds - page 76 of 371
Number of problems found: 7411
- 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. Henrietta 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?
- Weighted-average
Calculate the weighted average cost of the following inventory purchases: Date Quantity; Purchased ; Cost per Unit May 4; 33; $12.25 May 11; 41; $13.87 May 29; 37; $11.99
- A car 3
A car rental agency advertised renting a car for 27.95 per day and 0.28 per mile. If Greg rents this car for two days, how many whole miles can he drive on a $100 budget?
- School
There are 500 students in the school. 60% of them are boys, and the rest are girls. What is the percentage of girls? Also, find the total number of boys and girls in the school.
- Sari-sari store
Ms. Rona bought 25 kg of sugar for her sari-sari store. She then repacked the sugar into ¼ and ½ kg. If Alica packed 30 pcs of ½ kilograms of sugar, how many ¼ kg of sugar did she pack?
- A total
A total of 200 cash consists of 1-peso, 5-peso, and 10-peso coins, their values being in the ratio of 80:C:50. Find the ratio (in terms of quantity of coins) of 5-peso coins to 1-peso coins.
- Polygon 3
Polygon ABCD is dilated, rotated, and translated to form polygon QWER. The endpoints A and B are at (0, -7) and (8, 8), and the endpoints QW are at (6, -6) and (2, 1.5). What is the scale factor of the dilation?
- A father
A father wants to leave 30,000 to his four children in the ratio of 1:2:3:4. How much will each child receive?
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