20% of 780 + ? + 30% of 90 = 283 156 + ? + 27 = 283 ? = 283 – 183 ? = 100
A sum of ₹10,000 is invested in two schemes A and B. Scheme A offers 10% per annum and scheme B offers 15% per annum. If the total interest earned aft...
A shopkeeper mixes two types of rice, costing $30 per kg and $50 per kg, in the ratio 3:2. He sells the mixture at $45 per kg. What is his percentage pr...
What is the total production of Product Y for the entire year, and what percentage does it contribute to the total production of all products in the las...
The population of a town increased to 13,520 in 2022 at a rate of 4% per annum. Find the population of that town in 2020.
A solution contains 40% sugar and the rest water. After adding 25 liters of water, we get another solution where the percentage of sugar drops to 20%. T...
A shopkeeper marks up the price of an article by 50% and offers two successive discounts of 20% and 15% and gain ₹80, then find the cost price of the ...
A fruit seller sells apples at a profit of 20% and oranges at a loss of 10%. If the ratio of apples to oranges sold is 3:2 and the overall profit is rup...
A tangent to a circle of radius 5 cm is drawn from a point 13 cm away from the center of the circle. Find the length of the tangent.
The average age of 4 children is 12 years. The difference between the ages of the eldest and the youngest child is 10 years. If the second and third chi...
A factory produces three types of products, X, Y, and Z. The average production of product X over 5 days is 120 units per day. The average production of...
