Question : Which one of the following is the smallest?

Option 1: $\sqrt{101}-\sqrt{99}$

Option 2: $\sqrt{201}-\sqrt{199}$

Option 3: $\sqrt{301}-\sqrt{299}$

Option 4: $\sqrt{401}-\sqrt{399}$

Question : Which value among $3^{200},2^{300},$ and $7^{100}$ is the largest?

Option 1: $3^{200}$

Option 2: $2^{300}$

Option 3: $7^{100}$

Option 4: All are equal.

Question : Which of the following ranges is not one of the three parallel ranges of the Himalayas in its longitudinal extension?

Option 1: Himachal

Option 2: Himshikha

Option 3: Himadri

Option 4: Shivalik

Question : In which of the following Himalayan ranges is the Banihal Pass situated?

Option 1: Great Himalayas

Option 2: Pir Panjal

Option 3: Ladakh

Option 4: Zaskar

Question : Which of the following is an air pollutant?

I Water vapour

II Carbon dioxide

III Hydrogen Gas

Option 1: Only I

Option 2: Only II

Option 3: Only III

Option 4: Both II and III