Question
A boy’s age is 120% of what it was 7 years ago,
but 80% of what it will be after 10 years. What is his present age?Solution
Let the present age of boy be ‘x’ years. 120% of age of boy 7 years before = 80% of age of boy after 10 years = > (120/100) × (x - 7) = (80/100) × (x + 10) = > 120(x - 7) = 80(x + 10) = > 120x - 840 = 80x + 800 = > 120x - 80x = 800 + 840 = > 40x = 1640 = > x = 41 yrs
Folate is the natural form of which vitamin?
On which date is India set to launch its trade agreement with the European Free Trade Association (EFTA) nations?
What is the main objective of Telangana’s new Women Entrepreneurship Platform (WEP) Chapter?
What is the swathe width covered by NISAR during its 12-day orbital cycle?
What role does tantalum play in the tech industry?
Who has been appointed as the next President of the African Development Bank (AfDB)?
What new campaign was launched by NPCI during the IPL 2024 to promote RuPay Credit cards linked to UPI?
The __________ city created a Guinness record by lighting 11.71 lakh clay lamps (diyas), as part of the ‘Shiv Jyoti Arpanam Mahotsava’ on th...
Which company collaborates with the National Education Society for Tribal Students (NESTS) to roll out the plan Future Engineers?
The Uttar Pradesh government signed an MoU with the Government of India for the establishment of 1,000-acres-wide textile parks in which districts?