Bodhee Prep-Online CAT Coaching | Online CAT Preparation | CAT Online Courses

Get 10% OFF on CAT 25 Courses. Code: BODHEE10 Valid till 07th April Enroll Now

CAT 2018 [SLOT 1] Quant Question with Solution 13

Question:
While multiplying three real numbers, Ashok took one of the numbers as 73 instead of 37. As a result, the product went up by 720. Then the minimum possible value of the sum of squares of the other two numbers is

Show Answer
Correct Answer: 40

Let the other two numbers be y and z.
As per the condition
73yz - 37yz = 720
Or 36yz=720
Or yz=20
Minimum possible sum of the squares of the other two numbers would occur when y = z i.e. $y=z=\sqrt{20}$
Hence the required sum = 40.

CAT Online Course
Also Check: 841+ CAT Quant Questions with Solutions

CAT 2018 Slot-1


CAT 2018 Slot-2


CAT Quant Questions with Video Solutions

30 must do CAT Quant Questions with Video Solutions
CAT online Courses

FREE CAT Prep Whatsapp Group

CAT 2025 best online courses

Online CAT Courses