Related Questions

The LCM and HCF of two numbers are 90 and 15 respectively . If one number is 45, the other number is-
A 30
B 60
C 15
D 75
If x : y be the ratio of two whole numbers and z be their HCF, then the LCM of those two numbers is:
A $${\text{yz}}$$
B $$\frac{{{\text{xz}}}}{{\text{y}}}$$
C $$\frac{{{\text{xy}}}}{{\text{z}}}$$
D $${\text{xyz}}$$
If x:y be the ratio of two whole numbers and z be their HCF, then the LCM of those two number is = ?
A $$yz$$
B $$\frac{{xz}}{y}$$
C $$\frac{{xy}}{z}$$
D $$xyz$$
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. which of the following statements must be false? 1.Debaters Y and C are never selected together. 2.Debaters Z and D are never selected together. 3.Debaters Z and D are never selected together.
A Only I
B Only II
C Only III
D All of these
P,Q, R, S, T, V and W are seven friends .Each of them likes a particular fruit, viz. Apple, Banana, pear, Guava , Orange, Mango and Watermelon and each of them has a favorite city, viz. Mumbai , pune, Delhi, Kolkata, chennai, Hyderabad and Cochin . The choices of fruit and favorite city of the seven friends aren't necessarily in the same order. Q likes Mango and his favorite city is chennai . The one shose favorite city is pune likes Watermelon . T's favorite city is Kolkata. R likes Guava and is favorite is not Mumbai. W's favorite city is cochin and he does not lide either Banana or pear. The favorite city of the one who likes Orange is Hyderabad. T does no like pear. P's favorite city is neither Pune nor Hyderabad. S does not like Watermelon . who likes Apple?
A W
B T
C V
D P
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. If debater B is selected and debater Y is rejected,the team will consist of which foursome?
A X,Z,A and B
B X,Z,D and ?B
C X,Z,C and B
D None of these
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. If both Y and Z are selected, which of the other debaters must be in the team as well ?
A Both C and D
B Only D
C Both B and A
D Both B and D
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. If debater B is selected and debater Y is rejected, the team will consist of which foursome ?
A X,T and B
B X,Z,A and B
C X,Z,C and B
D None of these
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. If both Y and Z are selected, which of other debaters must be in the team with them ?
A Both C and D
B Only D
C Both B and D
The average age of the father and two sons is 16 years and 7 months. If the mother is 14 years and 4 months and same two sons is 12 years and 7 months. If the mother is 24 years and 4 months old , then what is the age difference between the father and the mother ?
A 11 years and 5 months
B 12 years and 5 months
C 13 years and 6 months
D 11 years and 3 months

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