What is dendrochronology?
Dendrochronology is the scientific method of dating trees by the number of rings they contain, which provides precise information about the age of the tree, climatic conditions, and environmental changes during its lifespan.
The income of Anand is 30% more than the income of Mayank and the income of Radhika is 70% of the combined income of Anand and Mayank. By what percentag...
Out of her monthly income of Rs. 25,000, Priya spent (Q - 10)% on rent, (Q + 15)% on others and saved Rs. 4,500. Find Q% of her monthly income.
Find X's monthly income if the combined income of X and Y amounts to Rs. 36,000, and both X and Y spend 75% and 80% of their incomes, respectively, with...
Raman's earnings have gone up by 12.5%. While maintaining the same level of expenditure, his savings have increased by 50%. Determine the percentage of ...
Ramesh spends 68% of his monthly income. Next month, his income increased by 22% while his expenditure increased by 14%. Due to this, his monthly saving...
In which of the following years, the difference in no. of students appearing for UIT from the previous year is highest?
The respective ratio of monthly income of A to monthly income of B is 8:9, and A’s saving is (100/9) % more than B’s saving. Find the expend...
The sum of the income of Raj and Roni is Rs. 168000. A spends 50% of his income and B spends 75% of his income in such a way that B’s saving is Rs. 90...
In the last financial year the ratio of the monthly incomes of Viraj and Rohan was m : n and the ratio of their monthly expenditures was p : n. In the c...
The annual income of Rehan is Rs. 672000. He spent 28% of his monthly income on rent. ‘z’% of the remaining monthly income was spent on food by him....
