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101 x 99 =

A99

B9999

C909

D9901

Answer:

B. 9999

Read Explanation:

(100+1)(100-1) =100^2-1^2 =10000-1 =9999


Related Questions:

A chemist prepares 100 grams of medicine by mixing two ingredients X and Y. The rate of X is ₹1,500 per 100 grams and that of Y is ₹50 per 10 grams. X and Y are mixed in such a way that the cost of the resulting medicine is ₹13 per gram. What is the quantity of X (in grams) in the medicine ?
The Roman Numeral conversion of the number 999 is :
Who is known as the "Prince of Mathematics" ?
രണ്ട് സംഖ്യകളുടെ തുക 90. അവയുടെ വ്യത്യാസം 42. എങ്കിൽ അതിലെ വലിയ സംഖ്യ ഏത് ?
14.3 + 16.78 - ? = 9.009