Explanation

Red must come before Green.

Green must come immediately before Yellow.

Blue must not be first.

Red → Green → Yellow → Blue satisfies all conditions.

Last verified on 11-09-2026

Explanation

Step 1: S is placed first

Position 1 = S

Step 2: R immediately after S  

Position 2 = R

Step 3: Q after S

Q can be 3, 4, or 5

Step 4: P must stand before Q

So P comes somewhere before Q

Step 5: T not first

First is already S, so this is satisfied

Possible arrangement: S R P Q T or S R P T Q or S R T P Q

Correct Answer: R is second

Last verified on 11-09-2026

Explanation

To determine the relationship, we can break down the family structure:

B and D are sisters: The problem states D is B's sister.

A is B's daughter: This makes B A's mother.

E is D's son: This makes D E's mother.

A and E's relationship: Since A's mother (B) and E's mother (D) are sisters, A and E are the children of siblings.

Therefore, A is the cousin of E. 

Question updated 03-March-2026

Explanation

No birds are mammals.

A sparrow is a bird.

Therefore, a sparrow is not a mammal.

Last verified on 06-09-2026

Explanation

• Fossils from different rock layers provide evidence of changes in organisms over geological time.
• These changes support the concept of evolution.
• Therefore, the most logical conclusion is that species change over time.

Last verified on 06-09-2026