Quantitative Aptitude - Arithmetic Ability Questions

Working 5 hours a day, Shivam can read a book in 24 days. How many hours a day should he work so as to finish the same work in 8 days?

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

If a+1b = 1 and b+1c = 1 then c+1a = ?

If cosAcotA/(1 -­ sinA) = x, then the value of x is

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

What is the reflection of the point (2, -3.5) in the y-axis?

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔADE is 4 sq cm, what is the area (in sq cm) of quadrilateral BDEC.