LakshyaEducation
Home
Quiz Engine
Quiz & Solutions
Video Series
Vedic Maths Videos
Quantitative Aptitude Videos
Class 8 Maths Videos
Class 9 Maths Videos
Class 10 Maths Videos
YouTube
Buy DVD Package
Ratio & Proportion
Vedic Maths trick to find ratio of A, B and C.
Q .The ages of Vivek and Sumit are in the ratio 2 : 3 .after 15 years their ages will be in the ratio 6 : 8 . Find the age of Sumit.
Let Vivek age = 2x
& Sumit age = 3x
After 15 years -
Vivek age = 2x + 15
& Sumit age = 3x + 15
2x + 15 / 3x + 15 = 6 / 8
8(2x + 15) = 6(3x + 15)
16x + 120 = 18x + 90
2x = 30
x = 15
Age of Sumit = 3x = 45