General Aptitude & Logical Reasoning Flashcards

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°; hour hand is at 90+15×0.5=97.5°; angle=97.5−90=7.5°.

Find the odd one out: 3, 5, 7, 11, 13, 15, 17.

Answer: 15

15 = 3×5 is composite; all others (3,5,7,11,13,17) are prime numbers.

A sum doubles in 5 years at simple interest. In how many years will it become 4 times?

Answer: 15 years

Doubling means SI = P in 5 years, so rate=20%/yr; to become 4P, SI=3P, years=3P/(P×0.20)=15 years.

Pointing to a woman, Ram says, 'She is the daughter of the only son of my grandfather.' How is the woman related to Ram?

Answer: Sister

Ram's grandfather's only son is Ram's father; the daughter of Ram's father is Ram's sister.

Which of the following is analogous to the pair SURGEON : SCALPEL?

Answer: Carpenter : Saw

A surgeon uses a scalpel as a primary cutting tool; similarly, a carpenter uses a saw as a primary cutting tool.

If 6 men can complete a job in 8 days working 10 hours a day, how many days will 4 men take working 12 hours a day?

Answer: 10 days

Total man-hours=6×8×10=480; new scenario: 480/(4×12)=10 days.

Select the correct mirror image of the word 'GATE' if the mirror is placed vertically to its right.

Answer: ETAG

A vertical mirror reverses the order of letters, producing ETAG (letters themselves are also flipped, but in text representation the reverse order is ETAG).