Related Questions

3x2-5x+1=0 সমীকরণটির মূলদ্বয় α ও β হলে, 1α+1β এর মান (If the roots of the equation 3x2-5x+1=0 are α and β, then the value of 1α+1β is
A 53
B 35
C 5
D 15
3x² + 4x + 1 = 0 সমীকরণের মূলদ্বয় α,β হলে-(i)α+β =-43 (ii) αβ = 13(iii) α+1 এবং β+1 মূল বিশিষ্ট সমীকরণ 3x2 - 2x = 0 নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of these are men, what percent of the non-unionized workers are women?
A 90%
B 87.5%
C 66.7%
D 50%
In a class of 200 students , 40 percent are girls . 25 percent of the boys and 10 percent of the girls signed up for a tour to Cox's bazar . What percent of the class signed up for the tour?
A 19%
B 23%
C 25%
D 27%
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
A 10%
B 20%
C 30%
D 50%
In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of them are men, what percent of the non-unionized workers are women?
A 90%
B 87.5%
C 66.7%
D 50%
A department store receives a shipment of 1,000 shirts, for which it pays $9,000. The store sells the shirts at a price 80 percent above cost for one month, after which it reduces the price of the shirts to 20 percent above cost. The store sells 75 percent of the shirts during the first month and 50 percent of the remaining shirts afterward. How much gross income did sales of the shirts generate?
A Tk. 10800
B Tk 12150
C Tk 13500
D Tk 14800
In a shipment of 120 machine parts 5 percent , 5 percent were defective , In a shipment of 80 machine parts , 10 percent were defective. For the two shipments combined , what percent of the machine parts were defective ?
A 6.5%
B 7%
C 7.5%
D 8.0%
If w is 10 percent less than x, and y is 30 percent less than z, then wy is what percent less than xz?
A 10%
B 20%
C 37%
D 40%
If w is 10 percent less than x, and y is 30 percent less than z , then why is what percent less than xz?
A 10%
B 20%
C 37%
D 40%

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