MBA Exam

the numbers a,b and c are positive integers .Three times a is equal to seven times b and four times b is equal to three times c.which of the following cannot be the value of a+2b+3c???

1) 1725
2) 3050
3) 5710
4) 1925

Read Solution (Total 1)

3a=7b
4b=3c

Given = a+2b+3c
= 7b/3 +2b +3(4b/3)
=b(25/18)

Now go with options
Only 5710 gives decimal answer so

Answer is c. 5710
3 years agoHelpfull: Yes(0) No(0)

MBA Other Question

Cocktail A contains vodka, whisky and rum in the ratio of 1 : 2 : 3 and cocktail B contains the same in the ratio of 3 : 4 : 5. A cocktail C is made by mixing the two cocktails in a certain ratio. Which of the following is an obtainable ratio of vodka, whisky and rum in the new cocktail?

1) 2:5:8
2) 3:5:7
3) 7:9:11
4) 6:7:10
5) NOT
Three labelled boxes containing red and white cricket balls are all mislabelled. It is known that one of the boxes contains only white balls and another one contains only red balls. The third contains a mixture of red and white balls. You are required to correctly label the boxes with the labels red, white and red and white by picking a sample of one ball from only one box. What is the label on the box you should sample?

1) white
2) Red
3) Red and white
4) Not possible to determine from a sample of one ball