Question
Which disease is caused by
bacteria?Solution
Plague is an infectious disease caused by the bacterium Yersinia pestis. It primarily affects rodents and spreads by fleas, but can also be transmitted to humans, leading to severe forms of the disease such as bubonic, septicemic, or pneumonic plague.
A’s age is 150% of what he was 3 years ago, But 75% of what it will be after 3 years. What is his present age?
The age of A is 20% less than that of B. The age of B is 25 years more than the average age of his two friends whose total age is 30 years. Find the dif...
In four years, the age ratio of 'X' and 'Y' will be 10:13, respectively. The current average age of 'Y' and 'Z' is 54 years, and the present average age...
What is A's present age, if after 10 years his age will be 6 times his age 10 years back?
- The ratio of present ages of Rishi to that of Tarun is 3:4 while the ratio of present ages of Varun to that of Tarun is 5:4. If the age of Varun, 12 years ...
Present ages of P and Q are in the ratio 2:7 respectively. If Q’s age, 15 years hence from now will be 6 times of P’s age, 5 years ago from now, the...
- After 6 years, the sum of the ages of 'Karan' and 'Amit' will be 70 years. Fifteen years ago, Karan was 12 years younger than Amit. What will be Amit’s a...
Riya is 5 years older than Meera, while Meera is 2 years younger than Nita. The ratio of age of Riya, 3 years hence and Meera, 1 year ago is 8:5. Find t...
- The current age ratio of Aman to Bhanu is 4:1. In six years, Aman’s age will be three times Bhanu’s age at that time. What is Aman’s present age?
In a classroom there are 14 boys and 11 girls. Average age of each boy and each girl is 21 years and 15 years respectively. The sum of ages of all the b...
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