Question 19
SSC-CGL 2020 Mar 3 Shift 1
In a class of 640 the ratio of boys to girls is 5 : 3. If the number of girls is increased by 30, how should the strength of boys be changed so that the new ratio is 14 : 9?
Solution in Brief
Boys =
Girls =
New total girls
new ratio
new total boys =
increase
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