For the following questions answer them individually
Solve for $$x$$, if $$ \left(3 \times 22\right) +\left(5^{2} + 2^{3} \right) - 2^{x} = -$$ 30
If a certain sum at compound interest becomes $$2\frac{1}{2}$$ times in 5 years, then in how many years will it become $$6\frac{1}{4}$$ times, at the same rate of interest p.a.?
If the diameter of the base of a cone is 32 cm and its curved surface area is $$3268\frac{4}{7}$$ $$cm^{2}$$ , then its height is: (Taken $$\pi=\frac{22}{7}$$)
Suman lent ₹6,400 to Rahul for three years and ₹4,000 to Ganesh for 5 years on simple interest at the same rate of interest p.a., and received ₹4,116 in all from both as interest. The interest paid by Ganesh is:
A man covers $$\frac{3}{7}$$ of a total journey by train, $$\frac{5}{14}$$ of the total journey by bus, and the remaining 3 km on foot. His total journey is:
Which of the following articles of the Constitution of India provides that Hindi in
Devanagari script shall be the official language of the Union?
Who among the following is the author of the book ‘150 Years of Celebrating the
Mahatma - the South African Legacy'?
