Question
The government has targeted of making petrol with 20%
ethanol by the end of the year?Solution
E20 petrol (petrol blended with 20 per cent ethanol) in some quantity will be available from April 2023 and the rest to be covered by 2025. India, which achieved the target of supplying petrol mixed with 10 per cent ethanol (10 per cent ethanol, 90 per cent petrol) ahead of schedule in June this year, has advanced the target of making petrol with 20 per cent ethanol by five years to 2025.
4 years ago, ratio of ages of A and B was 3:4. 4 years hence, ratio will be 4:5. Find B's present age.
The ratio of age of A and his son is 9:5. If the difference of their ages 6 year ago is 12, then find the sum of ages of A and his son 15 year hence?
Five years from now, the age of Arjun will be 28 years. Six years from now, the ratio of ages of Arjun and Varun will be 4:5 respectively. After how man...
The average of the present ages of A, B, C and D is (y-3) years. 12 years hence, the ratio between the ages of A and C is 9:8 respectively. Th...
- Four years ago, the ratio of ages of 'X' and 'Y' was 2:3 respectively. Six years from now, the ratio of their ages will become 4:5 respectively. If 'Z' is ...
The ratio of ages of A and B, 2 years ago was 5:2. The sum of present ages of A, B and C is 64 years. If present age of C is equal to sum of present age...
- The present age ratio of Kavya to Neha is 3:5. Seven years ago, Neha was 5 years more than twice the age of Kavya. If present average age of Kavya, Neha an...
The ratio between the present age of Beena and Meenal is 5:6, where Sumit is 2 years younger than Meenal then find the ratio of their ages 5 years hence.
Present age of 'X' is two times more than the age of 'Y'. If four years ago, their ages were in ratio 4:1, respectively, then find the present age of 'X'.
After 9 years, the age of Komal will be 4 years less than 3 times of her age, 7 years back. What is Komal’s present age?
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