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Numbers Basics 1/4



19.  $2.3\overline {45} = $
a.  $\dfrac{{129}}{{55}}$
b.  $\dfrac{{259}}{{55}}$
c.  $\dfrac{{751}}{{77}}$
d.  $\dfrac{{131}}{{55}}$


20.  By what number $a.pq\,pq\,pq...$ should be multiplied so that it becomes an integer?
a.  90
b.  99
c.  100
d.  1000000


21.  By what number $a.b\,pq\,pq\,pq\,...$ should be multiplied so that it becomes an integer?
a.   900
b.   990
c.   1980
d.   Both b and c


22.  Sum of the numbers from 1 to 20 is
a.  210
b.  110
c.  220
d.  105


23.  Sum of even numbers between 15 and 25 is
a.  70
b.  80
c.  130
d.  100


24.  How many numbers between 1000 and 5000 are exactly divisible by 225?
a.  16
b.  18
c.  19
d.  12


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