Learn

QUESTION
Q
In a certain population, there are 3 times as many people aged 21 or under as there are people over 21. The ratio of...

Solution

Let, the number of people aged over 21 = NThen, the number of people aged 21 or under =3NThe population = 3N + N =...

Register & Unlock access to Prep for free

Save & Analyse
your Practice

Learn, Practice &
Improve fast

Improve your
Accuracy

Track & Improve
Scores in all Topics

Session Time
Tracker

Review your
Performance

Insights on others
Performance

View Performance
Reports

Achieve your
Target

Flexible Learning &
Practice

Question Time
Tracker

Improve your
exam scores

Solution

.hez-title-solution{display: none;}

Keynote

#hez-keynote-title{display: none;}

A tourist covers half of his journey by train at 60 km/hr, half of the remainder by bus at 30km/hr and the rest by cycle at 10 km/hr. The…

|||||||||||

Interest below which a bank is not expected to lend to customers is known as

||||

Who is the Brand Ambassador of Earth Hour 2014 ?

||

0 Ratio & Proportion questions available for your Free Practice
0 Quantitative Ability questions available for your Free Practice
Practice 0 questions for Free
Scroll to Top