Question : Find the third proportional of 25 and 45.
Option 1: 85
Option 2: 65
Option 3: 81
Option 4: 76
New: SSC CHSL Tier 2 answer key released | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
Correct Answer: 81
Solution :
Let the third proportional to the two numbers 25 and 45 be $x$.
So, 25 : 45 :: 45 : $x$
$⇒x = \frac{45\times 45}{25}$
$\therefore x=81$
Hence, the correct answer is 81.
Related Questions
Know More about
Staff Selection Commission Combined High ...
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Get Updates BrochureYour Staff Selection Commission Combined Higher Secondary Level Exam brochure has been successfully mailed to your registered email id “”.