For the following questions answer them individually
The population of a city has been increasing at 5% every year. The present population is 185220. What was its population 3 years back?
A number of two-digits has 3 for its unit's digit, and the sum of the digits is $$\frac{1}{7}$$ of the number itself. Find the
number.
The angle of elevation of a hot-air balloon climbing vertically changes from 30° at 10:00 AM to 60° at 10:02
AM as observed from a point 300 m away from the take-off point. What is the upward speed of the balloon?
If 'MISTAKE' is coded as 9765412 and 'NAKED' is coded as 84123, how is 'INTIMATE' coded?
_____ is the physical quantity of the substance which is numerically equal to the resistance of a rod of that
substance which is 1 m long and 1 sq m in cross-section.
