Question
Who proposed that the first form of life could have come
from pre-existing non-living organic molecules ?Solution
The correct answer is B
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 expenditure of ...
A trader allows a discount of 18% on the marked price of an article. How much percentage above the cost price must he mark it so as to get a profit of 6...
The ratio between the number of books and pencils is 6:5 and the ratio of cost of per book and pencil is 4:3 then find the percentage by which total cos...
Vegetables lose water when cooked. Raw vegetables contain 90% water, but after cooking they contain only 50% water. How much raw vegetable is needed to ...
A man's income was raised by 25%, which led him to increase his expenditure by 12.5%. As a result, his savings grew from Rs. 4,800 to Rs. 8,400. What is...
- A refrigerator depreciates in value by 18% in the first year and then 12% in the next year. If its price after 2 years is Rs. 25,872, what was its initial ...
In a certain school, 60% of the students are girls, and the rest are boys. If the number of boys in the school is 480, how many students are there in to...
Find the successive discounts of 10%,20% and 40%.
A girl spent 12% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 7:4. If the difference of the income ...
- In a botanical park, 50% of the trees are neem trees. The number of eucalyptus trees is 35% of the neem trees, and the number of bamboo trees is 80% of the...
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