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
Which of the following parts of the Indian Constitution is related to the citizenship?
Which Indian authority has imposed a penalty on Google?
Which of the following is the base year for the compilation of  RBI Financial Inclusion Index 2022?
Which of the following partnered with Israel based ISMC Analog Fab Pvt Limited to start semi conductor plant? Â
Consider the following statements with respect to the changed D-SIB designation methodology by the Reserve Bank of India-Â
I.The Reserve Bank of...
The mausoleum of the Taj Mahal was designed by _______________.
The Legal Entity Identifier (LEI) system is primarily used to identify:
Which one of the following statements is correct?
Which of the Sustainable Development Goals (SDGs) saw the highest increase in India?
Under project 'Navika Sagar Parikrama', which will commence in September 2017, a team of women officers of the Indian Navy would circumnavigate the glo...