Maths practice for 14 year olds - page 116 of 375

Number of problems found: 7497

Insurance 2
A house valued at 255,000 euros has been insured for 224,000 euros. What percent has it been insured?
The sum 15
The sum of the real numbers x and y is 24. Their difference is 12. What is the value of xy?
Comparing exponents
A) 8 (6²)(8²) b) 16 (6²)(8²) c) (6¹+²) (8²)
Regular price
The sale price of a television is 7200. The discount rate is 40%. Find its regular price.
The average 4
The average cost price of a car in Ireland is now €26,430, excluding VAT. If VAT is 23%, calculate the actual selling price of a car in 2021.
The sum 13
What is the sum of the exponents of the prime factors in the prime factorization of 196?
Sum and product
The sum of the real numbers x and y is 12. Their difference is 8. What is the value of xy?
Points OPQ
Point P is on line segment OQ. Given OP = 6, OQ = 4x - 3, and PQ = 3x, find the numerical length of OQ.
Trapezoids
In the isosceles trapezoid ABCD we know: AB||CD, |CD| = c = 8 cm, height h = 7 cm, |∠CAB| = 35°. Find the area of the trapezoid.
Diagonals of rhombus
Find the length of the diagonal AC of the rhombus ABCD if its perimeter P = 112 dm and the second diagonal BD has a length of 36 dm.
One of
One of the internal angles of the rhombus is 120°, and the shorter diagonal is 3.4 meters long. Find the perimeter of the rhombus.
The ratio 4
The ratio of two numbers is 5:4. If 40% of the first number is 12, what will be 50% of the second number?
Length 9
The length of a rectangle is 8 meters smaller than twice of breadth. If the perimeter of the rectangle is 50, find its length and breadth.
Cost structure
You are currently trying to decide between two cost structures for your business: one with a greater proportion of short-term fixed costs and another more heavily weighted to variable costs. Estimated revenue and cost data for each alternative are as foll
Dimensions of rectangle
Find the dimensions of a rectangle, given that its perimeter is 110 cm. Its length is 1 cm, more than twice its width.
Percent to interval
76% is between which the following two numbers. 1) 1/5 & 1/4. 2) 1/3 & 1/2 3) 2/3 & 7/10 4) 3/4 & 5/6
Markup
A store pays $370 for a bicycle. The percentage of markup is 19%. What is the selling price of the bike?
Profit margin
If total sales for the month are $450,000 and the profit margin is 40%, how much was the cost of goods sold?
Using
Using the point-slope equation, find the equation containing (-7, 3) and slope m = -4
Two fifth
Two-fifths of the workers in a factory are men. The rest are women if there are 28 men. How many more women than men are there?

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