১০১
Which of the following equations is not equivalent to 25x2 = y2 - 4.
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জব সল্যুশন · উপবিষয়
Algebra
২৯৪ প্রশ্ন
১০২
x + y = 3, xy = 2 হলে, x3 + y3 এর মান কত?
১০৩
If 15% of 40 is greater than 25% of a number by 2, then the number is-
১০৪
If x = 7 - 4√3 then find the value of (x2 + 1)/ x?
১০৫
If 3√x = 2√3, What is the value of x?
১০৬
Find the value of: - 2 + (-2) - {-(2)} - 2
১০৭
Half of the pillar is under the earth, one third of it is within water and 12 feet is above water. What is the length of the pillar?
১০৮
Babu's income is Tk. 1,000 more than that of Selim. Their total salary is Tk. x. What is Selim's salary?
১০৯
If x-1/x = 5, the value of (x+1/x)2 is:
১১০
If a2 − b2 = 20; a + b = 5, What is the Value of a − b?
১১১
If (0.0015×10m)/(0.03×10k) = 5×107, m - k = ?
১১২
A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14, and x. He found the mean to be 12. What should be the number in place of x?
১১৩
A beg contains an equal number of one rupee, 50 paisa and 25 paisa coins. If the total value of Tk. 35, how many coins of each type are there?
১১৪
In a class, if 4 students sit in each bench, there are 3 empty benches, but 6 students have to stand if 3 students sit each bench. How many students are there in that class?
১১৫
In an engineering test, a rocket sled is propelled into a target. If the sled's distance d in meters from the target is given by the formula d = -1.5t2 + 120, where t is the number of seconds after rocket ignition, then how many seconds have passed since rocket ignition when the sled is 10 meters from the target?
১১৬
If a/b = 1/3, b/c=2, c/d=1/2, d/e=3 and e/f = 1/4, then what is the value of abc/def?
১১৭
A student loses 1 mark for every wrong answer and scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and scores 39 marks, how many of them were correct?
১১৮
The slope of a line perpendicular to one with slope 2 is:
১১৯
{2/(a - b)} - {5/(b - a)} =
১২০
The sum of seventh and eleventh term of an arithmetic progression is 18. What is the sum of the first seventeen terms of that progression?