Grade 8-(10/7/24)

How many reciprocals does zero have?  

Write the rational number that does not have any reciprocal at all.  

Give a rational number which when added to it gives the same number.  

By what rational number should 22/7 be divided, to get the number - 11/24? 

Represent the following rational numbers on the number line. (i) 3/10

If you subtract 1/8 from a number and multiply the result by 1/4, you get 1/16. What is the number?

If three angles of a quadrilateral are each equal to 75°, find the 4th angle

ABCD is a rhombus such that ∠ACB = 40°. Find ∠ADB

ABCD is a square, diagonal AC is joined. Then the measurement of ∠ACB 

Find the sum of all interior angles of a heptagon.