For the following questions answer them individually
What is the average of first 93 natural numbers?
A trader sells two items at the rate of Rs 400 each. If he gains 15% on one and losses 15% on other, then what is the value (in Rs) of loss ?
30% of a number exceeds 25% of the same number by 27. What is the value of the number?
37 trees are planted in a straight line such that distance between any two consecutive trees is same. A car takes 20 seconds to reach the 13th tree. How much more time (in seconds) will it take to reach the last tree?
If a certain sum of money doubles itself in 7 years 8 months at simple interest, then what will be the yearly rate of interest (in %)?
What is the value of $$\frac{1}{x^{(p-q)}+1}+\frac{1}{x^{(q-p)}+1}$$ ?
If $$x=8+2\sqrt{15}$$, then what is the value of $$\sqrt{x}+\frac{1}{\sqrt{x}}$$ ?
What is the value of $$\frac{1+a}{a^{\frac{1}{2}}+a^{\frac{-1}{2}}}-\frac{a^{\frac{1}{2}}+a^{\frac{-1}{2}}}{1+a}+a^{\frac{-1}{2}}$$ ?
If $$\frac{p}{q}=\frac{x+3}{x-3}$$, then what is the value of $$\frac{p^2+q^2}{p^2-q^2}$$ ?Â
PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ΔMQN is $$48cm^2$$ , then what is the length (in cm) of PR ?
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