Question
The ratio of present age of A to that of B is 4:3 and
the ratio of present age of A to that of C is 4:5. The average present age of A, B and C is 24 years. Find the age of B, after 9 years.Solution
The ratio of present age of A, B and C = 4 : 3 : 5 (4x, 3x, 5x) The average present age of A, B and C = 24 years => (4x + 3x + 5x)/3 = 24 => 12x = 72 => x = 6 The age of B, after 9 years = 3 × 6 + 9 = 27 years
Which government regulatory body oversees the regulation of financial influencers?
According to the Industrial Policy Statement of 1973, the private sector was allowed to apply for the license of their industry only after having a tota...
Which of the following is correct about National Payments Corporation of India (NPCI)?
Where was the First Nuclear Power Plant of India established in India?
Which one of the following is NOT a part of the/ seven pillars of NITI Ayog?
What is the primary focus of the Jeevan Raksha Padak awards?
Which state in India has the highest population density according to the 2011 Census?
What is the name of the 1st privately-owned spacecraft that effectively landed on the moon?
Who introduced the concept of virtual water?
When was the first match of ICC Cricket World Cup 2019 played ?
