The sum of two numbers is 65 and their HCF is 13. Total number of such pairs of numbers is?
As HCF is 13 so let numbers be 13x & 13y. It means x & y must be co-prime. Now 13x+ 13y = 65, So x + y = 5. Now pairs of (x , y) can be (1,4) , (2,3) and all are co-prime so number of pairs are 2.
The association has welcomed (A) the decision to administer (B) booster dose to senior citizens and community workers and has called for stocking ...
Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select ‘No substitu...
Select the most appropriate synonym of the given word.
CONTAMINATE
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Seize
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PERSEVERANCE
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Termination
