Timed Challenge - Answer & Submit | GK Mania

1 What element has the highest density?

A) Lead

B) Gold

C) Iridium

D) Osmium

2 A pool drains at 50 liters/hour. How long to drain 400 liters?

A) 6 hours

B) 8 hours

C) 10 hours

D) 5 hours

3 A can complete job in (x−2) days, B in (x+2) days. Together 2 4/5 days. Find x?

A) 6

B) 5

C) 8

D) 4

4 Which doesn't belong: Rain, Snow, Wind, Desk?

A) Snow

B) Desk

C) Wind

D) Rain

5 What is the name of the scale used to measure mineral hardness?

A) Kelvin scale

B) Beaufort scale

C) Mohs scale

D) Richter scale

6 What language is used for AI/ML most?

A) Python

B) Ruby

C) Java

D) C

7 Sum of GP: a=10, r=2, n=5 terms?

A) 312

B) 320

C) 300

D) 310

8 Roots of x² + -9x + 20 = 0?

A) 6 and 5

B) 5 and 4

C) 5 and 6

D) 4 and 3

9 Value of sec²60° − tan²60°?

A) 0

B) 3

C) 1

D) 2

10 How many days in a leap year?

A) 367

B) 364

C) 366

D) 365

Quiz

1 What element has the highest density?

2 A pool drains at 50 liters/hour. How long to drain 400 liters?

3 A can complete job in (x−2) days, B in (x+2) days. Together 2 4/5 days. Find x?

4 Which doesn't belong: Rain, Snow, Wind, Desk?

5 What is the name of the scale used to measure mineral hardness?

6 What language is used for AI/ML most?

7 Sum of GP: a=10, r=2, n=5 terms?

8 Roots of x² + -9x + 20 = 0?

9 Value of sec²60° − tan²60°?

10 How many days in a leap year?

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Quiz

1 What element has the highest density?

2 A pool drains at 50 liters/hour. How long to drain 400 liters?

3 A can complete job in (x−2) days, B in (x+2) days. Together 2 4/5 days. Find x?

4 Which doesn't belong: Rain, Snow, Wind, Desk?

5 What is the name of the scale used to measure mineral hardness?

6 What language is used for AI/ML most?

7 Sum of GP: a=10, r=2, n=5 terms?

8 Roots of x² + -9x + 20 = 0?

9 Value of sec²60° − tan²60°?

10 How many days in a leap year?

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Quiz Results