1). Find the least number which must be multiplied to 5292 to get a perfect square
2) If A : B = 3 : 4 and B : C = 6 : 11, Find A : B :
3) Find x in the following proportion
55 : 70 : : 11 : x
4) 30 is 16 2/3 % of a number. Find the number
5)The supplement of an angle is 10 0 more than three times of its complement
Find the angle
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