Previous Year Questions

Option a:

11*7*345*5*31=115

After interchanging of sign:

11+7x3455-31 = 115

11+7x69-31 = 115

11+483-31 = 115

483-20 = 115

463 is not equal to 115.

Option b:

11*7*345*5*31 = 115

After interchanging of sign:

11x7+3455-31 = 115

77+69-31 = 115

115 is equal to 115.

Option c:

11*7*345*5*31 = 115

After interchanging of sign:

117x345+5-31 = 115

1.57x345-26 = 115

542.14-26 = 115

516.14 is not equal to 115.

Option d:

11*7*345*5*31 = 115

After interchanging of sign:

117-345+5x31 = 115

1.57-345+155 = 115

1.57-190 = 115

-188.43 is not equal to 115.

So, Option (b) is the correct option.