Question
Identify the reproductive strategy where parasites rely
on the care of others to raise their young.Solution
In brood parasitism, parasites lay their eggs in the nests of other species or conspecifics, tricking the host into raising their young. The parasite’s eggs often mimic those of the host to avoid detection. This strategy, seen in species like cuckoos, reduces parental investment by the parasite.
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...
Kiran spends 15% of her salary on transport and one-fourth on rent. She saves 45% of the remaining amount, which is Rs.8100. Find Kiran’s total salary...
- In 2019 when his income was Rs. 40,000, Ramesh spent 50% of his income and saved the rest. In 2020, if his income increased by 10% and his expenditure incr...
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 '...
What is the difference in the incomes of Pooja and Payal if their savings are Rs. 1000 and Rs. 500, respectively, and their income-to-expenditure ratios...
The monthly salary of Ankita is Rs. 21,300, and Mamta's monthly salary is Rs. 12,000. The ratio of their monthly expenditures is 9:5, and the ratio of t...
Person X's earnings exceed Person Y's by 25%, and both individuals manage to save Rs. 2400 each. The ratio of Person Y's expenses to Person X's expenses...
- Rahul saves 36% of his monthly income. If his monthly income increases by 18.2% while his monthly savings remain the same, find the increase in his monthly...
The ratio of A’s income to B’s income is 3 : 5. If A’s income is ₹12,000, what is B’s income?
The monthly incomes of A, B and C are in the ratio 5 : 7 : 9. Their monthly savings are in the ratio 2 : 3 : 4. The ratio of A’s expenditure to C’s ...