For the following questions answer them individually
A shopkeeper allows a discount of 20% to his customers andstill gains 25%. Find the
Markedprice of an article which costs ₹ 600 to the shopkeeper.
Choose the correct alternative which will complete the following series:
21, 55, 19, 50, 17, 45, ?
If $$sin^{4} A - cos ^{4} A = 1 then \frac{A}{2}$$ then $$\frac{A}{2}$$ in Degrees is $$(0< A \leq 90^{0}$$
Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.
Statement:
China is a communist country.
Conclusions:
1. No country in the world has a communist rule.
2. Many other countries in the world have a communist rule.
Facing South, X turns $$225^\circ$$ clock wise and then $$90^\circ$$ anti-clockwise. What direction is X facing now?
Who first discovered that every eighth element had properties similar to that of the first?
The sum of the lengths of the edges of a cubeis equal to the perimeter of a square.If the
numerical value of the volumeofthe cube is equal to the numerical value ofthe area of the square, then the length of one side of the square is: