Which of the following equations has real and distinct roots?
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What is the equation of a line of slope 1/3 and y-intercept 5?
If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?
In ΔABC, AD is the median and AD = (1/2)BC. If ∠ACD = 40°, then what is the value (in degrees) of ∠DAB?
The distance between the points (4, 8) and (k,-4) is 13. What is the value of k?
A car can cover 350 km in 4 hrs. If its speed is decreased by 12.5 kmph. How much time does the car take to cover a distance of 450 kms.
The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is
A circle and a square have same area. The ratio of the side of the square to the radius of the circle will be: