Choose the correct alternative from the given ones that will complete the series.

Which answer figure will complete the pattern in the question figure?

Question figure :

If $A$ denotes $\times$, $D$ denotes $+$, $K$ denotes $÷$ and $N$ denotes $-$, what is -

$20 D 15 A 6 N 13 A 4 = ?$

In the following series, how many $2, 1, 3$ occur in such a way so that $1$ is in the middle and both $2$ and $3$ are on any one side?

$2, 1, 3, 7, 2, 1, 3, 8, 2, 2, 3, 9, 3, 1, 2, 6, 5, 3, 2, 1, 7, 2, 3, 1, 2$

Some parts of the sentence have errors and some are correct. Find out which part of the sentence has an error.

The police is investigating (A) for the recent (B) happening in the area. No error (D)

Some parts of the sentence have errors and some are correct. Find out which part of the sentence has an error.

The redevelopment project is aimed (A) not just providing good houses to shanty dwellers,  (B) but also developing infrastructure around the major Mumbai localities (C). No error (D)