Algebra

What is the sum of the squares of the digits from 1 to 9?

What is the distance of the origin from the line 12x - 5y + 26 = 0?

In a graph there are two curves, y₁ = 2x₁ - 5 and y₂ = - x₂ + 10. y₂ will be greater than y₁ when -

If 2x - 1 ≥ - 3, then

If b < 2 and 2x - 3b = 0, which of the following must be true?

If Nita is 15 ahead in rank of Mita who ranks 13th from the last, then how many students are there in the class if Nita ranks 5th in order of merit?

In a tourist group of 100 people, 55 speak French, 40 speak Spanish, and 20 speak none of the languages. How many of them speak just one language?

A store sells an item for Tk. 1.50 each, or 3 items amounted to Tk. 3.50. If 202 items were sold and revenue amounted to Tk 279.00, how many of these items were sold one at a time?

A leading library charges c cents for the first week that a book is loaned and f cents for each day over one week. What is the cost for taking out a book for d days, where d is greater than 7.

In a class of 60 students, 20 students like math, 25 students like English and 30 students like science. If 5 students like both Math and English, 7 students like both Math and science, 8 students like both English and science and 3 students like neither of this subjects, how many students like all of the three subjects?

For y = - 2x - 8, what is the least value of x for which is less than 9?

64, 81, 100, 121, _____, _____, শূন্যস্থানে সিরিজের পরবর্তী সংখ্যা গুলো কত হবে?

Frank scored 26 points in a basketball game. All of his points came from either a two-point basket or three-point basket. If frank scored at least one three-point basket what is the maximum number of two-point baskets that Frank could have scored?

2, 5, 9, 19, 37, ?

If 13 = 13w/(1 - w), then (2w)2 = 

(42-51) Choose the correct answer.
(42) If P = (x² - 36)/(x² - 49) and Q = (x + 6)/(x + 7), then what is the value of P/Q ?

The solution of equation x - 2y = 4 is:

If set A = {1, 2} and B = {3, 4}, then A × B (Cartesian product of set A and B) is

The set of points defined by the equation x² + y² + z² = 4 is -

If x - 1/x = √3 then x + 1/x = ?