Tech Mahindra
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Numerical Ability
Ratio and Proportion
A sum of Rs.1460 is divided into 13 students so that each boy gets Rs.120 while each girl gets Rs.100. Find the number of boys and number of girls
a) 8B, 5G
b) 5B, 8G
c) 4B, 9G
d) 9B, 4G
Read Solution (Total 2)
-
- option a
check the options a)8B , 5G
given each boy gets Rs.120 while each girl will get 100 so, 8*120=960 ,5*100=500
960+500=1460 - 8 years agoHelpfull: Yes(5) No(0)
- 120B+100G=1460-----i
B+G=13-------ii
from i
100B+20B+100G=1460
100(B+G)+20B=1460
100(13)+20B=1460
By simplifing we get
B=8;G=5 - 8 years agoHelpfull: Yes(4) No(0)
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