Get Started with ixamBee
Start learning 50% faster. Sign in now
ATQ, Let the initial number of oak trees be 7x and pine trees 4x. After adding, oak trees = 7x+21, pine trees = 4x+12. New ratio (pine to oak): (4x+12/7x+21) = 3/5 Cross-multiplying = 
Original number of pine trees = 4x = 4×3 = 12.
Neha spends 60% of her monthly income. If her monthly income increased by 35% and her expenditure remained the same, then she would be able to save Rs. ...
The earnings of 'Amit' and 'Bittu' are in the ratio 5:8. Their respective expenditures are in the ratio 4:7. If the gap between their savings is Rs. 6,0...
In month of June Salary of Arjun is Rs.30000 and his expenditure is Rs.20000. In month of July salary of Arjun increased by 20,000 and expenditure incre...
A, B and C together earn Rs. 2700 in 18 days. A and C together earn Rs. 940 in 10 days. B and C together earn Rs 1520 in 20 days. Find the daily earning...
Rishu saves x% of her income. If her income increases by 26% and the expenditure increases by 20%, then her savings increase by 50%. What is the value of x
Bharti's income is 30% higher than Amisha's income, which is Rs. 8000. Bharti spends 25% of his income, and the ratio of Amisha's...
A factory employs three types of workers: skilled, semi-skilled, and unskilled. Skilled workers earn an average monthly salary of 40,000, semi-skilled...
The ratio of income of 'M' to that of 'N' is 4:5. Sum of their expenditures is Rs. 90,000. Savings of 'M' is 35% more than that of 'N'. Expenditure of '...
