Analytical Ability Flashcards

All roses are flowers. Some flowers fade quickly. Which conclusion definitely follows?

Answer: Some roses may fade quickly

Since some flowers fade quickly and roses are flowers, it is possible (but not certain) that some roses fade quickly.

In a Venn diagram, set A has 30 elements, set B has 25 elements, and their intersection has 10 elements. How many elements are in A ∪ B?

Answer: 45

|A ∪ B| = |A| + |B| − |A ∩ B| = 30 + 25 − 10 = 45.

If WATER is coded as 25-1-20-5-18, then what is the code for FIRE?

Answer: 6-9-18-5

Each letter is represented by its reverse alphabetical position (A=26, B=25... Z=1), but actually using standard position: F=6, I=9, R=18, E=5.

Walking at 3/4 of his normal speed, a man arrives 20 minutes late. What is his normal travel time?

Answer: 60 minutes

At 3/4 speed, time becomes 4/3 of normal, so extra time = (4/3 − 1) × normal = (1/3) × normal = 20 min, giving normal time = 60 min.

Find the odd one out: 121, 144, 169, 196, 225, 250

Answer: 250

All others are perfect squares (11², 12², 13², 14², 15²) but 250 is not a perfect square.

Five friends sit in a circle facing the center. A is to the left of B, C is to the right of D, and E is between A and D. Who is to the immediate right of B?

Answer: C

Arranging the circle with given clues yields the order B-C-D-E-A (or equivalent), placing C immediately to B's right.

A clock shows 3:15. What is the angle between the hour and minute hands?

Answer: 7.5°

At 3:15, minute hand is at 90° and hour hand is at 90° + 7.5° = 97.5°, so the angle between them is 7.5°.