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17 Jul 2017, 13:54
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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The product of two numbers is 2028 and their HCF is 13. What are the number of such pairs?
A. 4
B. 3
C. 2
D. 1
E. 5
Kudo please if you liked the ques.
A. 4
B. 3
C. 2
D. 1
E. 5
Kudo please if you liked the ques.
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17 Jul 2017, 15:23
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Let a*b = 2028
2028 = 13*13*3*2*2
a b
13 13*3*2*2
13*3 13*2*2
Answer is C
2028 = 13*13*3*2*2
a b
13 13*3*2*2
13*3 13*2*2
Answer is C
17 Jul 2017, 15:35
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GTExl
The product of two numbers is 2028 and their HCF is 13. What are the number of such pairs?
A. 4
B. 3
C. 2
D. 1
E. 5
Kudo please if you liked the ques.
13 * 156 = 2,028A. 4
B. 3
C. 2
D. 1
E. 5
Kudo please if you liked the ques.
26 * 78 = 2,028
39 * 52 = 2,028
That's three pairs. I keep testing GCF because OA is two pairs... What am I missing?
