AB is the diameter of a circle with center O and P be a point on its circumference. If ∡POA = 120°, then the value of ∡PBO is
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If a+1b=1 and b+1c=1 , then the value of c+1a is
By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?
What is the difference (in Rs) between the compound interests on Rs. 4000 for 1 year at 12% per annum compounded yearly and half-yearly?
A person while buying a dress on sale spends Rs. 45 and saves Rs. 5, what is the percentage of his savings?
What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?
The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)
A merchant changed his trade discount from 25% to 15%. This would increase selling price by