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Sample Questions on Quantitative Aptitude for SBI Associate Bank Clerk Exam 2012 : H.C.F. & L.C.M.

Aug 24, 2012 05:42 IST

The Written Examination of the upcoming SBI Associate Bank Clerk Exam to be conducted on 7 October & 14 October 2012 will consist of one objective type paper based on five parts namely:

a)General Awareness
b)General English
c)Quantitative Aptitude
d)Reasoning Ability
e)Marketing Aptitude/ Computer Knowledge


Quantitative Segment Questions are framed to test how capable are the aspirants in appropriately using numbers.The scope of the test will be computation of whole numbers, decimals, fractions & relationships between numbers;percentage & ratio, time & distance; profit, loss & discount; Simple Interest & Compound Interest; Ratio & Proportion etc.

Shweta Shrivastava, an expert at jagranjosh has prepared some important sample Questions based on the concept of "Highest Common Factor (H.C.F.) and Least Common Multiple (L.C.M.)" from the Quantitative Aptitude segment.


Least Common Multiple (L.C.M.) : The least number which is exactly divisible by each one of the given numbers is called their L.C.M.

There are two methods of finding the L.C.M .of two or more than two numbers:

1.Factorization Method
2.Common Division Method


Highest Common Factor (H.C.F.) : The H.C.F. of two or more than two numbers is the greatest number that divides each of them exactly.

There are two methods of finding the H.C.F. of two or more than two numbers:

1.Factorization Method
2.Division Method

Important Formulas of L.C.M. and H.C.F. of Numbers:

    Product of two numbers =Product of their H.C.F and L.C.M.

    H.C.F. =  (H.C.F.of Numerators)/(L.C.M.of Denominators)

    L.C.M. = (L.C.M.of Numerators)/(H.C.F.of Denominators)

Directions: Mark the correct Answer:

Q. The H.C.F. of 3.6, 7.2, 2.1, 0.81 is:
 
    (1) 0.3
    (2) 0.03
    (3) 0.9
    (4) 0.09
 
Q. The L.C.M. of 1.8, 3.6, and 0.72 is:  

    (1) 3.6
    (2) 1.8
    (3) 0.36
    (4) 3.60

Click here for more sample questions, based on the concept of H.C.F. and L.C.M.

 

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