Question

a) A colony has 100 houses numbered 1 to 100. A school van and a bus pass through
the colony from House 1 to House 100. If the school van stops at every fifth house
and the school bus stops at every eighth house, at which houses will both of them
stop?
b) Solve:
(1) (-30) + (-224) + (16)
(11) 97- (-22)
(ill) (-111) + (-19)
(iv) -212 - (-12)​

Answer 1

Answer:

They will together stop at 40th house.

Step-by-step explanation:

8*5 = 40

5*8 = 40

40 is the lowest common multiple of 8 and 5.

Hence, the bus and the van  will together stop at the 40th house.

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Answer 2

Answer:

The lcm of the numbers 5 and 8 is 40, so it will meet each other at house number 40