Raj takes 2 1/3 hrs to complete a certain distance at a speed of 51 kmph. What time would Kiran take to complete the same distance at a speed of 68kmph?
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Speeds of a boat along the current and against the current are 14 km/hr and 7 km/hr respectively. What is the speed of boat (in km/hr) in still water?
If x+1x ≠0 and x3+1x3 = 0, then the value of x+1x4 is :
If 11-13xx + 11-13yy + 11-13zz = 5 then what is the value of 1x + 1y + 1z = ?
At what point does the line 4x - 3y = -6 intercept the y-axis?
If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?
Determine the value of z in the equation: z = 20+20+20+20+...∞
If a + b + c = 9 and ab + bc + ca = 18, then what is the value of a3 + b3 + c3 – 3abc?
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