Ecology was first described as a separate field of knowledge in _______ by the German zoologist, Ernst Haeckel.
The correct answer is A
An army lost 20% its men in war, 20% of the remaining due to diseases and 20% of the rest were disabled. Thus, the strength was reduced to 64,000 active...
Monthly income of P is Rs.16000 and his monthly savings is Rs.10500. If his monthly income is decreased by 25% and monthly expenditure is decreased by 1...
One fourth of one third of two fifth of a number is 15. What will be 40% of that number
...In a competition between two candidates, the victor secured 60% of the overall legitimate votes. Out of a total of 1800 votes cast, 5% were deemed inval...
A gave 40% of amount to B. B gave 15% of amount received from A to C. If amount received by C from B is Rs.120, then find the amount received by B from A.
Rajeev spends 30% of his monthly income on cloths and food and 20% of remaining on rent and saves the remaining amount. If he saves Rs 17920 per month, ...
250 ml mocktail contains 20% cranberry juice, 50% apple juice, and the rest is ginger ale. If 30 ml cranberry juice, 50 ml apple juice, and 20 ml ginger...
The marks obtained by A is 25% more than B, and the marks obtained by C is 160 more than the difference of the marks obtained by A and B. If C obtained ...
A man spent 30% of his income in May. If his savings is increased by 30% in June and becomes Rs. 9100, then find the income of man in May.
A girl spent 16% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 5:2. If the difference of the income ...
