Question
The total number of students in a college is 13,200. If
the number of male students increases by 30% and the number of female students increases by 20% in a year and after the increase total number of students in the college is 16,440, what is the difference between the initial number of male and female students in the college ?Solution
Let, the initial no. of male students be X . X × 130% + (13,200 – X ) × 120% = 16,440 ⇒ 1.30 X + 15,840 – 1.20 X = 16,440 ⇒ 0.10 X = 600 ⇒ X = 6,000 No. of female students = 13,200 – 6,000 = 7,200 Required difference = 7,200 – 6,000 = 1,200 Or Use Alligation Net increase in Population = `(16440-13200)/(13200)xx 100 = 3240/13200 xx 100 = 270/11%` Male Female 20% 30% Net Change% = 270/11% So New Values, Male Female 220 330 Net Change = 270
What boundary did the New Shepard spacecraft cross during its mission, marking the entry into space?
How many households have received property cards under the SVAMITVA Scheme?Â
The National Stock Exchange has decided to withdraw the 6 percent hike in transaction charges in the cash equities market and equity derivatives segment...
The first common forum of dispute resolution between the Centre and states,the Goods and Services Tax Appellate Tribunal (GSTAT) will be having how many...
Who was named the fashion icon by the Council of Fashion Designers of America?
Which city recently saw the inauguration of Standard Chartered’s second international banking center for global Indians?
Who has been named captain of the Ahmedabad IPL team?
With electric two-wheeler (E2W) manufacturers agreeing to reimburse consumers for the off-board chargers, the government is planning to release the halt...
Tropical Storm Megi was a weak but deadly tropical cyclone that impacted ____________ in April 2022.
 What is the primary objective of Pradhan Mantri Anusuchit Jati Abhuyday Yojana (PM-AJAY)?
Relevant for Exams:
