Using divisiblity tests, determine which of the following numbers
are divisible by 4?
(a) 4096 (b) 21084 (c) 31795012
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?
In a school library, there are 780 books of English and 364 books of
Science. Ms. Yakang, the librarian of the school wants to store these
books in shelves such that each shelf should have the same number
of books of each subject. What should be the minimum number of
books in each shelf?
The floor of a room is 8m 96cm long and 6m 72cm broad. Find the
minimum number of square tiles of the same size needed to cover
the entire floor.
Three brands A, B and C of biscuits are available in packets of 12,
15 and 21 biscuits respectively. If a shopkeepeer wants to buy an
equal number of biscuits, of each brand, what is the minimum
number of packets of each brand, he should buy?
Fatima wants to mail three parcels to three village schools. She finds
that the postal charges are Rs 20, Rs 28 and Rs 36, respectively. If
she wants to buy stamps only of one denomination, what is the
greatest denomination of stamps she must buy to mail the three
parcels?
Using each of the digits 1, 2, 3 and 4 only once, determine the
smallest 4-digit number divisible by 4.
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.
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