The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:
A. 3 B. 4 C. 2 D. 1
- 65437 Vues
- 1730 Réponses
1730 Réponses
-
-
- 15 sept.
- 1 Commentaire
-
-
The answer is c)2br / Given:br / The product of two numbers is 2028.br / i.e. XY=2028br / The prime factorisation of 2028 are 2,2,3,13,13.br / The hcf of two number is 13.br / X=13(A) Y=13(B)br / From the prime factorisation ,the combinations formed are br / 1)X=13(1) Y=13(2*2*3)br / 2)X=13(2) Y=13(2*3)br / 3)X=13(2*2) Y=13(3)br / 1) AND 3) have the HCF 13.2)have HCF 26.br /strong Hence there are totally 2 pairs available.(13,2028),(52,39)/strongbr /
-
- 05 juil.
- 0 Commentaire
-
- A question / Problem based on Time and work
- i am looking for a job bhot year ho gye job dhund rha hu koi to rakhlo job
- Common Aptitude Question Based on Ratio
- Common Aptitude Questions for Competitive Exams
- Common aptitude questions on Time, speed and distance.
- यदि किसी संखया के अंकाे का याेेेग 15 है तथा उस संखया में 9 जोड दे तो
- Common aptiude question based on age
- Common Aptitude Questions for Competitive Exams
- General knowledge and current affairs
- Series
Practice Mock Test
aptitude test
2