Class - 5 Mock test - 3

                                                       Class - V

Time-30min               MATH  (Playing with number)               F.M.-20                      _____________________________________________

1. Choose the correct option.   [1x5 =5]

    a)The HCF of 48, 36, 60

        i.  6           ii. 12                 iii. 3                    iv. 4

    b) 1 is  ____ number

        i. Prime    ii.  Composite   iii) Both  i  & ii   iv.  none of these. 

    c) HCF of any co prime no is _____

        i. 0            ii. 1                    iii)  3                 iv. 4

    d) Full form of LCM

        i. Least common multiple         ii. Lowest common multiple

      iii. Least common method         iv. Lowest common method

    e) Product of two numbers is 12. LCM of the numbers is 6 . so HCF =

         i. 1           ii.2                    iii. 72                 iv. 6 

2.  Find the LCM    15, 18, 25, 30          [3]

3.  Find the HCF    140, 112, 108           [3]

4.  The HCF two numbers is 12 and their LCM is 252. If one of the number 

      id 36. Find the other number.           [3] 

5.  Three bells ring at an interval of 10, 15, and 20 minutes each. If they all

     start their first ring at 7am. at what time they ring together again?  [3]

6. Find the greatest possible length of a tape, which can measure three ropes

     measuring 3om, 45 and 75m.            [3]

  

If You Enjoyed This, Take 5 Seconds To Share It

• 
• 
• 
• 
• 
•