For the following questions answer them individually
The time taken by a boat to travel a distance downstream is half the time taken by it to travel the same distance upstream. What is the speed of the boat downstream if it travels 7.5 km upstream in 1 hour 30 minutes ? (in km/h)
In these questions, two equations numbered I and II are given. You have to solve both the equations and select the appropriate option.
I. $$x^{2}=144$$
II. $$y^{2}-24y+144=0$$
I. $$2x^{2}-9x+10=0$$
II. $$2y^{2}-13y+20=0$$
I. $$2x^{2}+15x+27=0$$
II. $$2y^{2}+7y+6=0$$
I. $$3x^{2}-13x+12=0$$
II.$$3y^{2}-13y+14=0$$
I. $$5x^{2}+8x+3=0$$
II. $$3y^{2}+7y+4=0$$
What approximate value will come in place of, the question mark (?) in the following questions ? (You are not expected to calculate the exact value).
$$159\div39.99+\frac{4}{5}\times180-120.05$$
$$1599\div39.99+\frac{4}{5}\times2449-120.05=?$$
$$1576\div45.02+23.99\times\sqrt{255}=?$$
?+ 30.01% of 651 ÷ 25.05% of 59.98 = 135
Day-wise Structured & Planned Preparation Guide
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