Home
MCQ QUIZ APP DOWNLOAD

What is the correct answer?

4

Find the least square number which is exactly divisible by 10,12,15 and 18.

A. 999

B. 900

C. 899

D. 987

Correct Answer :

B. 900


       L.C.M. of 10, 12, 15, 18 = 180. Now, 180 = 2 * 2 * 3 * 3 *5 = 22 * 32 * 5.


       To make it a perfect square, it must be multiplied by 5.


        Required number = (22 * 32 * 52) = 900.

Share this question with your friends
Show all Root Problem MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Related Questions

Find the least square number which is exactly divisible by 10,12,15 and… Evaluate: (9.5*0.0085*18.9)/(0.0017*1.9*0.021). Evaluate: 248+51+169 What is the square root of 0.0009? Find the value of 25/16. If 15=3.88, find the nearest value of (5/3) Simplify: [( 12.1 )2 - (8.1)2] / [(0.25)2 + (0.25)(19.95)] If a*b*c=(a+2)(b+3)/(c+1),find the value of 6*15*3. By what least number 4320 be multiplied to obtain a number which is a… Find the value of 0.289/0.00121

Also checkout

Mycoplasma and Bacteria MCQ Machine Input Mi-set 2 MCQ Skin Anatomy and Physiology MCQ IBPS MCQ Airport Engineering MCQ Co-Ordination Compound MCQ Computer Graphics MCQ Classification MCQ Steam Boilers, Engines, Nozzles & Turbines MCQ Ecology MCQ Noble Gases MCQ Chain Rule MCQ