With which country does India share its longest land

Statements:

I.  Some doctors are engineers.

II.  All engineers are lawyers.

Conclusions:

Which of the following numbers will replace the question mark (?) in the given series?

91, 102, 139, ?, 187, 198, 235

Which two numbers should be interchanged to make the given equation correct?

72 + 63 ÷ 9 × 5 – 36 = 67

Select the set in which the numbers are related in the same way as are the numbers of the given set.

Statement. To maintain the structure of the Taj Mahal, a revival of Yamuna river is necessary. 

Choose one of the following options. 

Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.

What replaces question mark (?) in the series given below:

88, 64, 24, ?