An alloy contains a mixture of two metals A and B in the ratio 3:5 and the second alloy contains a mixture of same metal in the ratio 2.33:3. In what ratio should be both alloys mixed to make a new alloy containing 42.85% metal A? ans is 1:6
In an examination, 44% of students failed in subject A and 36% of the students failed in subject B and 18% failed in both the subjects. If 352 students passed in only
one subject, then how many failed in both the subjects? ans is 144
There are two families (Kapoors and Khannas) in a building. In the Kapoor
family, there are 12 members. The ratio of number of male to female members
in the family is 2 : 1. The ratio of the number of children to that of adults in the
family is 1 : 2. There are three married couples and one girl child in the Kapoor
family. In the Khanna family, there are 15 members. The number of male
members is double the number of female members. The number of boys is
equal to the number of females in the family. The number of girls is 40% of the
number of boys.
Q-In how many ways can a committee of 10 men and 2 women be formed from
the residents of the building?
Q-A group of 8 members is to be formed in which there are 2 adults and 2
children from each family. In how many ways can the required group be
formed?
Q-A group of 2 girls, 2 boys and 2 women from the building can be formed in?
Q-One child is selected at random for a dance performance from each of the
families. What is the probability that Neetu Kapoor and Mohit Khanna are
selected for the dance performance?
Q-Out of the 18 male members residing in the building, three are selected for a
prize. What is the probability that one Kapoor and two Khannas are selected
for the prize?
A passenger train takes two
hours less for a journey of 300
km if its speed is increased by 5
km/h from its normal speed. The
normal speed is-
(A) 40 km/h (B) 50 km/h
(C) 25 km/h (D) 30 km/h
(E) None of these
Guys can anyone help me out vd my query... This will be my first attempt!
I am frm chandigarh and do want to apply for ibps clerk from punjab circle. Wanted to know if its mandatory to have a 10th class certificate for the language from the state we wish to appear?
Although I know punjabi, but dnt hv a certificate. Do I require a certificate for punjabi to apply frm punjab..
Statements : No again are one. Some time are again. No one are more. Some money are one. Conclusions : I. Some money are time. II. Some more are not one.
The batting average of 40 innings
of cricket player is 50 runs. His
highest score exceeds his lowest
score by 172 runs. If these two
innings are extended the average
of the remaining 38 innings is 48.
What was his highest score ?
(A) 172 (B) 174
(C) 173 (D) 175
(E) None of these
Guys i have a got a question from the ratio.The ratio of the ages of a father and a son at present is 5:2 .Four years hence the ratio of the ages of the son and his mother will be 1:2 .what is the ratio of the present ages of the father and the mother?
Answer is can not be determined
Please check out if my logic is right:
FA SO MO
present 5 2
4yrs later 1 2
now since the age of mom is kinda double after 4 years so it will be double in the present as well.So the age of mommy is 4 in present.
Present ratio is FA:SO:MO is 5:2:4 and we can not derive ratio of fa:mo from here.so it can not be determined.Am i using the right logic?
The avg age of a cricket team of 11 players is the same as it was 3yrs back bcoz 3 of the players whose current age is 33yrs were replaced by 3 youngsters..The avg age of the new comers is
hey any one from dehradun ????/plz help i am in confusion and want to know whether focus coaching is better or gurukul coaching for po prepration or if any other plz tell.
The batting average of 40 innings of cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are extended the average of the remaining 38 innings is 48. What was his highest score ? (A) 172 (B) 174 (C) 173 (D) 175 (E) None of these
Bhaiyo , considering the extreme importance of Online Test series in the IBPS PO preparation, plz suggest me any worthy Online Test Series for the same?