Question
Which of the following is water borne
disease?Solution
The protozoa, bacteria, and nematodes cause diseases by contaminating the water. One example of such disease is cholera. It is caused by consuming water which is being contaminated with bacterium Vibrio cholerae.
A boy is supposed to distribute Rs.4400 among his three friends P, Q and R in the ratio of 4:2:5 respectively, but mistakenly he distributed in the rati...
Ratio of the number of pens with Sumit, Rohan, Chetan, Dheeraj and Gagan is 2 : 3 : 4 : 5 : 6 respectively. If two of them have more than 20% of the tot...
- A piggy bank contains ₹10, ₹5 and ₹2 coins in the ratio 3:4:6. If the total amount in the piggy bank is ₹620, how many ₹2 coins are there?
- In a park, the ratio of adults to children is 7:5. If the number of adults was decreased by 21 and children increased by 14, then their numbers become equa...
A, B And C did certain investments and the ratio of their time periods is 3:2:7 respectively. The ratio of the profit of A, B, and C is 4:3:14 respectiv...
Ratio of the number of belts to that of purses in a store is 2:5. The ratio of the selling price of each belt to that of each purse is 4:3. If revenue g...
In a group of 800 participants planning a community event, some opted for the role of organizers in a Science Fair, while others chose to organize a Tal...
- The coins of ₹1, 50 paise, and 10 paise are in the ratio 6:5:9 in a collection. If the total money is ₹376.60, find the number of 10-paise coins.
- A piggy bank holds 20-paise, 50-paise and 2-rupee coins in the ratio 15:12:9. The total amount inside is Rs. 3006. How many 50-paise coins are there?
The ratio of the selling prices of two articles, A and B, is 3:4. Article A is sold at a profit of Rs. 540, and article B is sold at a loss of 10%. If t...
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