mathematics questioner(Grade-8)

The alternate angles are .........

• 180⁰

• equal

• 90⁰

The co-interior angles are

• equal

• sum of 180⁰

• sum of 90⁰

The corresponding angles are ............

• equal

• 180⁰

• 90⁰

A triangle having two equal sides is called.........

• equilateral triangle

• isosceles triangle

• scalene triangle

if the price of 1 dozen oranges is Rs.36,what is the price if 5 oranges?

• 12

• 15

• 5

What is the perimeter of square?

• lxb

• l²

• 4l

If the cost price of 1kg orange is Rs.250 and selling price is Rs.300.how much did he get profit or loss?

• Rs.25

• Rs.50

• Rs.500

what is circumference of circle?

• $2\pi r$

• $\pi r$

• $\pi^{ }r^2$

• $2\pi d$

 $If\ a^x=1\ then\ find\ the\ value\ of\ x.$  

• 3

• 2

• 0

• 1

 $What\ value\ of\ x\ in\ the\ alebric\ fraction\ \frac{3}{2x-4}is\ undefined?$  

• 0

• 1

• 2

• 3