Assignment_12.05.2017

Class VI                   Assignment_12.05.2017   

Q1.Express each of the following odd number as the sum

       of three odd prime numbers  (i) 49    (ii) 63

Q2.Find the H.C.F by prime factorization method        

                    144,180,192

Q3.Find the H.C.F by long division method

                   126, 1578, 1265

Q4.Test the divisibility of the number by 7  

                1836542.

Q5. Estimate the product of 429 x 251 by rounding off  

       each number to the nearest hundred.

Q6. Find the greatest number which divides 2011 and

      2623 , leaving remainders 9 and 5 respectively ?

Q7.Find the least number divisible by each of the

      numbers 15,20,24,32 and 36 .

Q8.In a colony of 100 blocks of flats numbering 1 to 100,

     a school van stops at every sixth block while a school

    bus stops at every tenth block. On which stops will both  of      them stop if they start from the entrance of the colony ?

Q9. Find a 4-digit odd number using each of the digits 1,2,4 and 5 only once such that when the first and the last digits are interchanged , it is divisible by 4.

Q10.How many millions make 3 crores.

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