RRB Government Jobs Exams Category

Find lcm of 1/3,5/6,2/9,4/27 :

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RRB Other Question

In sand moulding the top flask is known as

a.cope
b.drag
c.fillet
d.check
Find distance of object from concave mirror of focal length 10 cm so that the size of its real image is 4 times the size of object?