IBPS SO Prelims Exam Model Paper 8

GIVEN :
Number of Males = 150
Number of Females = 100
Total number of Child = 30
CONCEPT :
Percentage
CALCULATION :
According to the question
150 × x% + 100 × x% = 30
150 ×

x

100

+ 100×

x

100

= 30
x = 12
Number of child included in females = 100 × 12% = 12
∴ Required number of females = 100 - 12 = 88