What should come in place of the question mark '?' in the following number series?

17, 35, 106, ?, 2126

0.15% of $$33{1\over 3}\%$$ of ₹ 10000 is :

The ratio of the cost price and selling price of an article is 10 : 11. The gain per cent is:

If△ABC ∼ △EDF such that AB = 6 cm, DF = 16 cm and DE = 8 cm, then the length of BC is:

The circumference of the base of a right circular cone is 44 cm and its height is 24 cm. The curved surface area (in cm²) of the cone is: (Taken π=22/7)

In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² + 7x + 10 = 0

II. y² + 5y + 4 = 0

Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

1728 ÷ ? + 149.98 × 25.15 = 3156 - 269.75

In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² - 25x + 156 = 0

II. y²- 20y + 96 = 0