Question

In an examination for the final year student of a school 60 offered history 50 offered economics and 48 offered literature,30 offered history and economics 16 offered history and literature 22 offered economics and literature if 10 candidate offered all the three subject find the number that offered only history

​

Answer 1

Explanation:

History(H),Economics(E),Literature(L)

1a).To find History(H) only is

H only =H-HE-HL+HEL

H only =60-30-16+10=24

b).E only=50-30-22+10=8

c). L only=48-22-16+10=20

2).no of candidates who sat for the exam is 24+8+20=52