Grade - practice problems
Number of problems found: 17574
- Tree grows
Each month a tree in Jada's back yard grows 1.43 inches taller. How many inches taller will the tree be in 3.5 months? - Bell curve
A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 62 - The salary 4
The salary of a worker is first increased by 5% and then it is decreased by 5% . What is the change in his salary? - LCM and HCF 2
If product of two numbers is 5780 and their HCF is 17, then what is their LCM is?
- Circle inscribed square
What is the area of the circle that can be inscribed in a square of 10 cm? - Johnny 3
Johnny has $46,754 in a savings account that earns 14% annually. The interest is not compounded. To the nearest dollar, how much interest will he earn in 3 years? - Ayden
Ayden is 140 cm tall, and his friend Alex is 1/5 taller than him. How tall is Alex? - Error multiplication
In measuring the sides of a rectangle errors of 5% and 3% in excess are made. Find the error percent in the calculated area . - Roland 2
Roland sold his watch at 15% loss. If he had sold it for 210 USD more, he would have made a profit of 20%. Find the cost of price of the watch.
- Remainder one
Find the least number, when divided by 2,3,4,5,6 and 7 leaves remainder 1 in each case. - Divisible by three
What least value must be assigned to the blank space so that the number 789563 is divisible by 3 - Mr. Stephan
Mr. Stephan cycled at an average speed of 15 km/h for 10 km. He then cycled another 12 km at an average speed of 18 km/h. Find the total time taken for his journey. - Use the formula for area
A parallelogram has sides of 15 cm and 12 cm. If the distance between 15 cm sides is 6 cm, find the distance between 12 cm sides. - Father and son 10
Two years ago, Philip was 3 times as old as his son, and 2 years hence, twice his age will be equal to 5 times that of his son. Find their present ages.
- Two places 3
The distance between two places A and B 90 km. Two cars start together from A and B .If both the cars go in the same direction, they meet after 9 hours and if they go in opposite directions they meet after 9/7 hours . Find their speeds .(Assume that A has - Students
In a school 2/5 of total numbers of students comes by car while 1/4 by bus, and others walks to school, of which 1/3 walks on their own and rest are escorted by their parents. If 224 students comes to school walking on their own. Find the total number of - An adventurer
An adventurer makes 2/5 of a car trip, 1/3 on horseback and the rest on foot he walks 80 km. What is the total length of your route? - Glass cleaner
A 2-pint bottle of glass cleaner costs $13.44. What is the price per fluid ounce? - The test 3
The provided test marks for a small class of student are as follows Don 70%, Jody 68%, Raz 65% and that of Max is not provided. If the class average is 75%, what is Max test marks?
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