UP SI MATHS QUIZ-47

Twice of a number $x$ is divided by other number which is 3 less than $x$. The resulting number so obtained is multiplied by another number which is eight times the value of $x$. The result so obtained is $192 .$ What is the value of $x$ ?

A train without stoppages travels at the rate of $50 \mathrm{~km} / \mathrm{h}$ and with stoppages travels at the rate of $45 \mathrm{~km} / \mathrm{h}$. How many minutes does the train stop on an average per hour?

What is the least number of square tiles required to pave the ceiling of a room $15 \mathrm{~m} \ 17 \mathrm{~cm}$ long and $9 \mathrm{~m} \ 2 \mathrm{~cm}$ broad?

Find the average of all the numbers between 6 and 34 which are divisible by 5 :

In a UPSI exam, the minimum passing percentage is $35 \%$. Purohit scored 175 marks in the exam and failed by 35 marks, then what are the maximum marks of the exam?

A person covers a certain distance with certain speed if he increases his speed by $30 \mathrm{~km} / \mathrm{hr}$, then he will be $32 \mathrm{~min}$. early. By how much time he will be late if he reduces his speed by $24 \mathrm{~km} / \mathrm{hr}$, if his initial speed is $120 \mathrm{~km} / \mathrm{hr}$?

The radius of a sphere is $9 \mathrm{~cm} .$ It is melted and drawn into a wire of radius $0.3 \mathrm{~cm}$. The length of the wire is:

A boat running downstream covers a distance of 16 Kms. in 2 hours while for covering the same distance upstream, it takes 4 hours. Find the speed of boat in still water.

If $A, B$ and $C$ invested $R s 47,000$ for a business. If $A$ subscribe Rs 7,000 more than B and B Rs 5,000 more than C, then out of profit Rs 4,700, C receives?