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UPI stands for Unified Payments Interface, where 'I' signifies 'Interface,' a system that integrates multiple bank accounts into a single mobile application.
The ratio of age of A and his son is 11:3. If the difference of their ages 5 year ago is 24, then find the sum of ages of A and his son 14 year hence?
A’s age is 140% of what he was 2 years ago, But 70% of what it will be after 2 years. What is his present age?
Rishav's current age is 25% more than Sourav's current age. In 8 years, the ratio of their ages will be 5:6. What will be Rishav's age 10 years from now?
A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation.