Questions

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

Dodecahedron has 20 vertices. How many edges does it have?

From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are 30° and 45° respectively. If the bridge is at a height of 2.5m from the banks, then the width of the river is (take √3 = 1.732)

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

He was smiling, (A)/ but his eyes retained (B)/ a look of solemness.(C)/ No error (D)

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Most __________________ of all to the rambler on avian lore intent is the fact that there are many species and genera that are peculiar to the West, and ______________ new to him, keeping him constantly on the 'qui vive'. _____________ Colorado you will look in vain for the common blue jay, so abundant in all parts of the East; but you will be more _______________ compensated by the presence of seven other species _____________ the jay household.

_____________ Colorado you will look in vain for the common blue jay

Commonly used abbreviation SEO in computer science stands for?

What is formed when Magnesium is burnt?