Subject
Bank Exam
Topic
IFIC Bank Officer 2012
The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of student in the class?
The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of student in the class?
ক)
48খ)
44গ)
42ঘ)
40Explanation
12+12*3 = 12 + 36 = 48 11 + 11*3 = 11 + 33 = 44 10 + 10*3 = 10 + 30 = 40 Let number of girls = x and number of boys = 3x. Then, 3x + x = 4x = total number of students. Thus, to find exact value of x, the total number of students must be divisible by 4.Related questions
A man has Tk. 480 in the denominations of one-taka notes, five-taka notes and ten-taka notes. The number of notes of each-denomination is equal. What is the total number of notes that he has?In a garden, there are 10 rows and 12 columns of trees. The distance between any two trees is 2 m and a distance of lm is left from all sides of the boundary of the garden. What is the length of the garden?A is 3 years older than B and 3 years younger than C. B and D are twins. How older is C than D?In a cricket match, five batsmen A, B, C, D and E scored an average 36 runs. D scored 5 more than E; E scored 8 fewer than A; B scored as many as D and E combined; and B and C jointly scored How many runs did E score?Two bus tickets from city A to B and three tickets trom city A to C cost Tk 77 but three tickets from city A to B and two tickets from city A to C cost Tk What are the fares for cities B and C from city A?A tailor had a number of shirt pieces to cut from some large pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute. How many large pieces would be cut in 24 minutes?There are deer and peacocks in a zoo. The total number of their heads is 80 and the total number of their legs is How many peacocks are there?In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers. How many sons are there in the family?