IBM
Company
Numerical Ability
Arithmetic
In a class, except 18 all are above 50 years. 15 are below 50 years of age. How many people are there
(a) 30
(b) 33
(c) 36
(d) none of these.
Read Solution (Total 18)
-
- let, total no. of people x
and no. of people having age 50 is y
now, no. of above 50 years is (x-18)
so, x-(x-18)=15+y or, y=3
so, no. of students can be any number more than 18 - 13 years agoHelpfull: Yes(14) No(18)
- Suppose total no. of student in class = x
so no. of students above age 50 is = x-18
no of student of age below 50 is = 15
so no. of student of age equal 50 is = y (suppose)
so total no. of student : x = (x-18) + 15 + y
so y = 3
so total no. of students in class more than 18 because ..no value of students having above age 50 is given in thise question.
So answer is : (D) None of these - 8 years agoHelpfull: Yes(11) No(0)
- let the no of students is x.
x-18 are above 50
15 are below 50
18+15= 33 - 11 years agoHelpfull: Yes(8) No(27)
- Any number more than 18 is possible.
- 13 years agoHelpfull: Yes(4) No(15)
- d)none of these
- 10 years agoHelpfull: Yes(4) No(2)
- what is the correct answer?
- 10 years agoHelpfull: Yes(4) No(2)
- we need to find x number of people.here data is insufficient to answer.hence non of these.
- 10 years agoHelpfull: Yes(3) No(0)
- any from a,b,c because
less than 50=18
Below 50=15
age of 50 is=3
No data available for people above 50 - 8 years agoHelpfull: Yes(3) No(0)
- 3 people are 50 years old.15 people are below 50 years of age.But it does not say about number of people above 50years of age.
- 9 years agoHelpfull: Yes(2) No(1)
- a.due to the difference
- 10 years agoHelpfull: Yes(1) No(1)
- none of these
- 8 years agoHelpfull: Yes(0) No(0)
- non of these becouse the no. of total student is not given
- 8 years agoHelpfull: Yes(0) No(0)
- D. none of these
since above 50 are x-18 students, below 50 are 15 and of 50 are 3, where total students are x - 8 years agoHelpfull: Yes(0) No(0)
- let total number be x,then according to question
x-18=15
x=15+18=33 - 7 years agoHelpfull: Yes(0) No(1)
- In the problem,
18 are above 50 yrs
15 are below 50 yrs
Total=15+18=33 - 7 years agoHelpfull: Yes(0) No(5)
- here,total no of people be x and no of people at age 50 years be y.
the no of people above 50 years is x-18
the no of people below 50 years is 15
therefore, no of people at 50 years of age,i.e,y =18-15=3
so total no people = people above 50yr+people at 50yr+people below 50yr=18+3+15=36
hence 36 is the ans - 6 years agoHelpfull: Yes(0) No(1)
- d>None of these.
- 6 years agoHelpfull: Yes(0) No(0)
- none of these. no evidence of how many 50 year olds
- 5 years agoHelpfull: Yes(0) No(0)
IBM Other Question
In a computer institute 9 languages can be taught. The module is of 6 months duration and of the six languages only one can be taught each month . In addition to that BASIC is always taught and should be in first month itself
WORD PERFECT is to be taught in the preceeding week of WORD STAR. FORTRAN can not be taught until COBAL is taught prior to that BINO, FIFO can never be taught in single module languages are BASIC, WORD STAR, WORD PERFECT, FORTRAN, COBAL, BINO, FIFO, LOTUS, C
i) If word star is in 3rd month , what could be in 6th month.
ii) If COBAL is in the 2nd month and BINO in 6th month. FORTRAN will be taught in which month.
A square plate of some size is cut at four corners. Equal squares of the same size are cut and is formed as open box. If this open box carries 128 ml of oil. What is the size of the side of the plate?
(a) 17
(b) 14
(c) 13
(d) None of these