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THE RATIO IN B-TECH AND MBA STUDENTS IN A INSTITUTE IS 4:5 AND THE FEES COLLECTED FROM THEM IN A RATIO IS 25:16 .AND THE TOTAL FEES COLECTED IS 162000.SO WHAT IS THE AMOUNT COLLECTED FROM MBA STUDENTS ?
A)62,000
B)72,000
C)80,000
D)NONE OF THIS

Read Solution (Total 3)

ANS: 72,000 (B)

total no. of btech students be 4x.
total no. of mba students be 5x. (since btech:mba =4:5)
And fees collected from btech students be 25y.
fees collected from mba students be 16y. (since 25:16)
we can frame eqn as
4x * 25y + 5x * 16y = 162000
100xy + 80xy = 162000
=> xy=162000/180 =900.
Now, fees collected from MBA students = 80xy =80 * 900 =72000.
11 years agoHelpfull: Yes(10) No(0)

25x+16x=162000
41x=162000
x=162000/41
16x=(162000/41)*16
mba students collected money =63219.51
11 years agoHelpfull: Yes(2) No(6)
bcz the collected amt is=162000
then from both of them collected amt is 25x+16x=162000
then x=162000/41=3951.2195
16x=3951.2195*16=63220
11 years agoHelpfull: Yes(2) No(5)

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