Which one is not a part of Great

If digit 2 is interchanged with digit 1, then what will be the value of the following equation?

9 + 6 ÷ 4 × 21 – 5=?

Read the given statement and conclusions carefully. Decide which of the given conclusions is/are definitely true from the statement.

How straight lines are there in the given picture? 

In the following question, select the missing number from the given series. 

14, 6, 5, 6.5, 12, ?

Select the figure from among the given options that can replace the question mark (?) in the following series. 

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

HKOE , KNOE , ? , QTOE , TWOE

Select the number from among the given options that can replace the question mark (?) in the following series.

99, 123, 150, 180, 213, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. 

OP, ON, MN, ML, ? 

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