Editorial Board and Pratiyogita Darpan Solutions for Chapter: Practice Set, Exercise 15: PRACTICE SET-15

Which Kannada writer received the Sahitya Academy Award for his novel 'Swatantryada Ota'?

Atomic mass of Nitrogen is $14$ and that of Hydrogen is $1$. What will be the molar mass of Ammonia?

$\mathrm{CuO}+{\mathrm{H}}_2\to \mathrm{Cu}+{\mathrm{H}}_2\mathrm{O}$. This equation is an example of:

Find the length of a transverse common tangent of the two circles whose radii are $3.5$ cm and $4.5$ cm, and the distance between their centres is $10$ cm.

The chart represents the domestic expenditure of a family per month. If the family income is Rs. $33,650$, then the total money spent by the family on entertainment and food together per month is:

Two pipes fill a tank when working individually in $25$ and $40$ hours respectively, while a third pipe can drain the filled tank in $16$ hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely?

A sum of money invested for $2$ years and $9$ months at the rate of $8\%$ simple interest per annum became $₹732$ at the end of the period. What was the sum that was initially invested?

Find the missing word for the related pair:

Road : Car :: Sea : ?