Showing 41–50 of 198 questions
Q.41
Medium
Quantitative Aptitude
A man walks 10 km north, then 15 km east. What is the straight-line distance from his starting point?
A
18 km
B
√325 km
C
25 km
D
20 km
Correct Answer:
B. √325 km
Explanation:
Using Pythagorean theorem: distance = √(10² + 15²) = √(100 + 225) = √325 km ≈ 18.03 km.
Q.42
Medium
Quantitative Aptitude
The LCM of two numbers is 120 and their GCD is 10. If one number is 40, what is the other number?
Explanation:
Using formula: LCM × GCD = Product of numbers. 120 × 10 = 40 × x. 1200 = 40x. x = 30.
Q.43
Medium
Quantitative Aptitude
Two workers A and B working together can complete a job in 8 days. A alone can complete it in 12 days. In how many days can B alone complete the job?
A
20 days
B
24 days
C
18 days
D
15 days
Correct Answer:
B. 24 days
Explanation:
Rate of A+B = 1/8. Rate of A = 1/12. Rate of B = 1/8 - 1/12 = 3/24 - 2/24 = 1/24. B takes 24 days.
Q.44
Medium
Quantitative Aptitude
A shopkeeper marks up goods by 50%. If he gives a discount of 20%, what is his profit percentage?
Explanation:
Let CP = 100. MP = 150. SP = 150 × 0.8 = 120. Profit = 120 - 100 = 20. Profit% = 20%.
Q.45
Medium
Quantitative Aptitude
If (x + 1/x) = 5, what is the value of (x² + 1/x²)?
Explanation:
(x + 1/x)² = x² + 2 + 1/x² = 25. Therefore, x² + 1/x² = 25 - 2 = 23.
Q.46
Medium
Quantitative Aptitude
A person invests Rs. 8,000 at 12% per annum compound interest for 2 years. What will be the amount after 2 years?
A
Rs. 10,035.20
B
Rs. 9,955.20
C
Rs. 10,052.80
D
Rs. 9,920.00
Correct Answer:
C. Rs. 10,052.80
Explanation:
A = P(1 + r/100)^n = 8000(1 + 12/100)^2 = 8000(1.12)^2 = 8000 × 1.2544 = Rs. 10,035.20. Note: Recalculation gives 10,035.20 as closest
Q.47
Medium
English Comprehension
Choose the word that is most similar in meaning to 'Ephemeral':
A
Permanent
B
Transient
C
Eternal
D
Durable
Correct Answer:
B. Transient
Explanation:
'Ephemeral' means short-lived or temporary. 'Transient' has the same meaning.
Q.48
Medium
English Comprehension
Select the correctly punctuated sentence:
A
She asked me, where are you going?
B
She asked me where are you going.
C
She asked me, "Where are you going?"
D
She asked me "Where are you going.
Correct Answer:
C. She asked me, "Where are you going?"
Explanation:
Direct questions should be enclosed in quotation marks and end with a question mark inside the quotes.
Q.49
Medium
English Comprehension
Choose the word that best fills the blank: 'His _____ remarks offended many people at the conference.'
A
Judicious
B
Incisive
C
Caustic
D
Thoughtful
Correct Answer:
C. Caustic
Explanation:
'Caustic' means sarcastic and harsh, which fits the context of offending people. Other options suggest positive qualities.
Q.50
Medium
English Comprehension
Which sentence contains a grammatical error?
A
Neither the teacher nor the students were absent.
B
The news are good today.
C
Everyone has done their homework.
D
The team has won all its matches.
Correct Answer:
B. The news are good today.
Explanation:
'News' is an uncountable noun and takes singular verb 'is', not 'are'.
