54) If two positive integers a, b expressed as a = pq2 and b = p3q where p, q are prime numbers, then LCM ( a, b) is A) p 3q 3 B) pq C) p 3q 2 D) p 2q 2 54) ଯଦି ଦୁଇଟି ଯୁକ୍ତାତ୍ମକ ପୂର୍ଣ୍ତସଂଖ୍ୟା a, b କୁ a = pq 2 ଏବଂ b = p3 q ଭାରବ ପ୍ରକାଶ କୋଯାଇଛି ରଯଉଁଠି p, q ରେଉଛନ୍ତି ରମୌଳିକ ସଂଖ୍ୟା, ରେରବ ଲ୍.ସା.ଗୁ ( a, b) ରକରେ A) p 3 q 3 B) pq C) p 3 q 2 D) p 2 q 2 55) From a point Q, the length of the tangent to a circle to its point of contact is 24 cm. Distance of Q from the centre O is 25 cm. The radius of the circle is A) 7 cm B) 24.5 cm C) 12 cm D) 15 cm
54) If two positive integers a, b expressed as a = pq2 and b = p3q where p, q are prime numbers, then LCM ( a, b) is A) p 3q 3 B) pq C) p 3q 2 D) p 2q 2
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