Let the length and breadth of the rectangle be '5x' cm and '4x' cm, respectively. ATQ; 2 × (4x + 5x) = 52 + 5x Or, 18x = 52 + 5x Or, 13x = 52 So, x = 4 So, required area = 4x × 5x = 20 × 42 = 320 cm2
Ramu has lent Rs. 60,000 to Murali and Bansi at 7% p.a. and at 11% per annum respectively. At the end of the year, he has gained an overall interest at ...
'A' spends 75% of his income, while 'K' spends 80% of his income. Both of them save ₹7,500 each. The income of 'S' is one-third...
The ratio of liquor and soda in a mixture of 60 liters is 3:2. How much soda should be mixed to make the ratio 5:7?
Ajay lists an item at 42% higher than its cost price and gives a 20% discount on this marked price. Determine the percentage of p...
A merchant has 1200 kg of sugar, part of which he sells at 9% profit and the rest at 15% profit. He gains 11% on the whole. The quantity (in kg) sold at...
A sum of ₹ 62 was divided among 100 students. If each boy got 70 paisa and each girl got 45 paisa. Find the number of boys?
If (x - 5)2 - (x + 5)2 = 0, then what is the value of 'x'?
The average age of a group of six children is 8 years. From the group, two children, whose ages were 2 years more and 4 years more than the average age,...
The average wage of a group of 23 labourers is Rs. 460. If 4 persons receiving average wage of Rs. 350 leave the group and 2 persons receiving average w...
If 120 liters of milk solution contains 60% milk, how much milk should be added to make the solution 80% milk?
