What is the value of log₁₀(1000)?

The correct answer is B: 3. log₁₀(1000) = log₁₀(10³) = 3

What is the LCM of 24, 36, and 48?

The correct answer is A: 144. 24 = 2^3 × 3, 36 = 2^2 × 3^2, 48 = 2^4 × 3. LCM = 2^4 × 3^2 = 16 × 9 = 144.

In a class of 60 students, 40% like cricket, 50% like football, and 20% like both. How many students like neither?

The correct answer is B: 18. Students liking cricket = 40% of 60 = 24. Students liking football = 50% of 60 = 30. Students liking both = 20% of 60 = 12. Using inclusion-exclusion: Students liking at least one = 24 + 30 - 12 = 42. Students liking neither = 60 - 42 = 18.

A train travels 120 km in 2 hours and then 150 km in 3 hours. What is the average speed of the train?

The correct answer is A: 54 km/h. Total distance = 120 + 150 = 270 km. Total time = 2 + 3 = 5 hours. Average speed = 270/5 = 54 km/h

Which of the following best describes Wipro's Digital transformation services?

The correct answer is B: AI, Cloud, Cybersecurity, and API-led integration services. Wipro's Digital services encompass comprehensive solutions including AI, Cloud, Cybersecurity, and API-led integration to modernize enterprises.

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Q.71 Hard TCS Questions

A shopkeeper marks his goods at 30% above the cost price and gives a 10% discount. What is his profit percentage?

A 15%

B 17%

C 19%

D 21%

Correct Answer: B. 17%

EXPLANATION

Let CP = 100. MP = 130. SP = 130 - (10% of 130) = 130 - 13 = 117. Profit% = ((117-100)/100)×100 = 17%

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