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Most Important Maths Question LCM & HCF for SSC,RAILWAY,HSSC,BANKING

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WORK & TIME LCM & HCF CI & SI PROFIT & LOSS
STD-SPEED & TIME BOAT & STREAM PIPES & CISTRAN PERCENTAGE
NUMBER SYSTEM VBODMAS RATIO  AVERAGE

 

LCM & HCF SET-1 LCM & HCF SET-2 LCM & HCF SET-3 LCM & HCF SET-4 LCM & HCF SET-5

                                                                        LCM & HCF – Set 3

  1. A rectangular courtyard 140cm long 525cm wide is to be paved exactly with square tiles, all of the same sizes. what is the largest size of the tile which could be used for the purpose?
    A)64cm B)35cm       C)21cm        D)28cm       E)None of these
  2. Two containers contain 50 and 125 liters of water respectively. Find the maximum capacity of a container which can measure the water in each container an exact number of times(in liters)
    A)25 B)11          C)12           D)15           E)None of these
  3. Two baskets contain 183 and 242 Apples respectively, which are distributed in equal number among children. Find the largest number of apples that can be given, so that 3 apples are left over from the first basket and 2 from the second.
    A)45          B)40           C)60          D)56             E)None of these
  4. A person has 3 bars whose length are 12,16,24m respectively. He want to cuts the longest possible pieces, all of the same length from each of the 3 bars, what is the length of each piece if he is cut without any wastage
    A)12m B)20m         C)6m       D)4m            E)None of these
  5. Four bells commence tolling together and toll at the intervals of 3,9,12,15 seconds resp. In 60 minutes how many times they will toll together.
    A)20 B)21            C)24        D)30            E)None of these
  6. In a seminar, the number of participants in Technology, Economics and Science are 150, 90 and 180 respectively. Find the minimum number of rooms required, wherein each room the same number of participants are to be seated and all of them being in the same subject.
    A)27 B)32          C)30         D)25            E)None of these
  7. Naren, Suraj, and Praveen start running around a circular stadium and complete one round in 12s, 9s and 15s respectively. In how much time will they meet again at the starting point?
    A)2m B)2.30m    C)3m          D)3.30m       E)None of these
  8. Three boxes of lengths 60m,30m and 45m are to be cut into pieces of equal length. What is the greatest possible length of each piece?
    A)15m B)18m         C)5m         D)3m            E)None of these
  9. In a college, all the students can stand in a row, so that each row has  9, 7 and 12 students. Find the least no of students in the school?
    A)145B)265C)186 D)252         E)None of these
  10. The HCF of 3 different no is 17, Which of the following cannot be their LCM ?
    A)540 B)289         C)340           D)425             E)None of these

    Answer
    B)35cm                           02.  A)25                                03. C)60                                     04. D)4m                                          05.
    06. C)30                          07. C)3m                               08. A)15m                                 09. D)252                                          10. A)540

    WORK & TIME LCM & HCF CI & SI PROFIT & LOSS AVERAGE
    STD-SPEED & TIME BOAT & STREAM PIPES & CISTRAN PERCENTAGE RATIO
    NUMBER SYSTEM VBODMAS MILK & WATER

     

    LCM & HCF SET-1 LCM & HCF SET-2 LCM & HCF SET-3 LCM & HCF SET-4 LCM & HCF SET-5

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