GK Expert Team Solutions for Exercise 1: OBJECTIVE TYPE QUESTIONS

If $32$ horses ate $96$ quintals of corn in $21$ days, for how many days will $66$ quintals feed $7$ horses?

If $2$ horses are worth $3$ camels, $9$ camels are worth $10$ bicycles, and $100$ bicycles are worth $3$ motor cars, then what is the price of a horse, if a motor costs $Rs. 192000$?

$A$ does a piece of work in $4$ days which $B$ can do in $5$ days, and $B$ does a piece of work in $7$ days which $C$ can do in $8$ days. In what time will $A$ do a piece of work which $C$ does in $5$ days?

$150$ workers were engaged to finish a piece of work in a certain number of days. $4$ workers dropped on the second day, $4$ more workers dropped on the third day, and so on. It takes $8$ more days to finish the work now. For how many days will the work last?

If $X$ bulbs consume $X^2$ units of electricity in $X^3$ days, find the time in which $Y$ bulbs will consume $Y$ units of electricity?

If $300$ men could do a piece of work in $16$ days, how many men would do $\frac{1}{4}$th of the same work in $15$ days?

The expenses of tuition classes are partly fixed and partly variable with the number of students. The charge is $Rs. 40$ per head when there are $25$ students and $Rs. 60$ per head when there are $50$ students. Find the charge per head when there are $100$ students.

The prime cost of an article was $4$ times the value of the raw materials used. The cost of the raw materials increases in the ratio of $5:8$, whereas the production wages increase in the ratio of $5:6$. What is the present prime cost of an article (in rupees), which would formerly be made for $Rs. 20$?