Question
Consider the following statements: Â Assertion
(A): Carbon is the only chemical element that forms the largest number of compounds. Reason (R): Carbon possesses a special property called catenation.Solution
Carbon's ability to form chains and rings of different sizes allows it to create a vast number of compounds. This characteristic is known as catenation. So, (R) is true. However, hydrogen forms the largest number of compounds. So, (A) is false. Â Hence, the correct answer is (D).
Find the simple interest on Rs 1040 at 12% per annum for 2 years?Â
- A discount of 20% was offered on a product. If the product was marked 75% above the cost price, find the profit percentage.
What will be come in place of (?) in the given number series.
5, 9, 17, 33, ?, 129The ratio of three numbers is 7:2:5, and their squared values add up to 1248. Identify the largest number among them.
What will be come in place of (?) in the given number series.
2, 6, 18, 54, ?, 486The set of all bijective functions from a finite set A to itself forms:
If sec x - tan x = 1/3, find sec x + tan x:
Find the maximum value of the function f(x) = x³ – 3x² – 9x + 20.
Train P takes 24 seconds to pass a tree and 34 seconds to pass through a 150-meter-long tunnel. Train Q, which is 440 meters long...