dhoran 8 vigyan ch 18 swadhyay pothi,std 8 science swadhyay pothi,ધોરણ 8 વિજ્ઞાન સ્વાધ્યાયપોથી પાઠ18

7 8 18 57 ?

Find 1.8×8 is equal to

The variable used in the equations 2p+8 =18 is

Find the mean proportional between 8 and 18.

Verify that: 12:18 = 8:12

Show 1.8 on the number line.

Why the third period of Modern periodic table contains 8 elements and not 18 ?

If 1957-a9=18b8 Then the sum of the digits a and b is

Why do elements present in a group show similar characteristics after definite gaps of atomic numbers 8, 8, 18, 18, 18, 32 ?

The average of 15 numbers is 18. The average of first 8 is 19 and that last 8 is 17, then the 8th number is