Question
What is used in cloud seeding to produce artificial
rain?Solution
Silver iodide is used in cloud seeding because it can stimulate the formation of ice crystals in clouds, leading to precipitation.
6 years ago, the ratio of the ages of A and B was 2:3 and after 5 years it will become 5:7. Find their present ages.
There are 6 children in a family. The average age of the children is 14 years. If the present age of their mother and father is added, the average age o...
The current age ratio of P to Q is 9:13. Six years ago, Q's age was 4 years less than twice P's age at that time. If the average ...
The present ages of 'A' and 'B' are in the ratio of 3:7. The difference between their current ages is 12 years. How much percent older will 'B' be than...
There are three persons 'Amit', 'Bhuvan' and 'Cheetan' such that 7 times the present age of 'Amit' is equal to 9 times the present age of 'Bhuvan' while...
A is younger than B by 2 years. If the ratio of A and B ages is 5:7 respectively, then find the age of A.
4 years back, the combined age of 'Arvind' and 'Chirag' was 9 years lower than the current total age of 'Arvind' and 'Bishma'. Seven years from now, the...
- The sum of the present age of 'B' and 'V' is 45 years. If the ratio of the age of 'B' and 'V' after 10 years is 6:7 respectively, then find the age of 'V' ...
A boy’s age is 125% of what it was 8 years ago, but 75% of what it will be after 8 years. What is his present age?
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...