Arithmetic
Practice Arithmetic MCQs from the Mathematics syllabus.
The sides of a triangle are in the ratio 2:3:4. If the perimeter is 18 cm, find the longest side.
Two numbers are in the ratio 7:11. If 7 is added to each, the ratio becomes 2:3. Find the numbers.
The ratio of two numbers is 5:6. If their HCF is 4, find their LCM.
The ratio of milk and water in a mixture of 45 liters is 4:1. How much water must be added to make the ratio 3:2?
In a bag, there are coins of 25p, 10p and 5p in the ratio 1:2:3. If there is Rs. 30 in all, how many 5p coins are there?
Three numbers are in the ratio 1:2:3 and their squares' sum is 126. Find the numbers.
The ratio of the areas of two squares is 16:25. What is the ratio of their perimeters?
If a/b = 4/5 and b/c = 15/16, find the value of (c^2 - a^2) / (c^2 + a^2).
If the ratio of 2x+3 and 5x-1 is 3:4, find x.
A sum of money is divided among P, Q, and R in the ratio 2:3:5. If Q gets Rs 90, find the total sum.
Two numbers are in the ratio 3:5. If each number is increased by 10, the ratio becomes 5:7. The numbers are:
The ratio of the radii of two circles is 2:3. Find the ratio of their areas.
The ratio of the price of a pen and a book is 2:5. If the book costs Rs 150, what is the cost of the pen?
If a:b = c:d, which of the following is true by Componendo and Dividendo?