The value of a machine depreciates at the rate of 20% per annum. If its present value is Rs 96000, then what was the value (in Rs) of the machine 2 years ago?
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If the ∠ABC and ∠ACB of triangle ABC is 80 deg and 60 deg respectively. If the Incenter of the triangle is at point ‘I’ then calculate angle BIC.
What is the total number of circles passing through the two fixed points?
If z = 6 - 2√3, then find the value of (z - 1z)2.
If p + 1p = 10, then the value of p4 + 1p4.
If 7x + 9y3x - 4y = 198, then the value of x/y is
Amit is five years older than Vaibhav at present. After four years the ratio of their age will be 5:4. What is Amit age at present (in years)?
The first edition of National Youth Parliament Festival was held in which year?