Arithmetic
Practice Arithmetic MCQs from the Mathematics syllabus.
Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water?
The ratio of incomes of A and B is 5:4 and the ratio of their expenditures is 3:2. If each saves Rs 800, find the income of A.
The ratio of zinc and copper in brass is 13:7. How much zinc is there in 100 kg of brass?
The ages of A and B are in the ratio 3:1. After 15 years, the ratio will be 2:1. Find their present ages.
If Rs 510 be divided among A, B and C in such a way that A gets 2/3 of what B gets and B gets 1/4 of what C gets, then find B's share.
The ratio of the volumes of two spheres is 8:27. What is the ratio of their surface areas?
The salaries of A, B and C are in the ratio 2:3:5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be the new ratio of their salaries?
In a mixture of 60 liters, the ratio of milk and water is 2:1. If this ratio is to be 1:2, then the quantity of water to be further added is:
If x:y = 3:1, then (x^3 - y^3) : (x^3 + y^3) is:
A and B together have Rs 1210. If 4/15 of A's amount is equal to 2/5 of B's amount, how much amount does B have?
Two numbers are in the ratio 1:2. If 7 is added to both, their ratio changes to 3:5. The greatest number is:
What is the ratio of the area of a circle to the area of a square if the side of the square equals the diameter of the circle?
The ratio of the number of sides of two regular polygons is 1:2 and the ratio of their interior angles is 3:4. The number of sides are:
If x/y = 3/4, then find the value of (7x-4y)/(3x+y).
In a proportion, the product of means is equal to:
The ratio of the length and breadth of a rectangle is 5:3. If the length is 10 cm more than the breadth, find the area.