Fill in the blanks: A certain man saves 309% of his income. The angle of the sector indicating his savings……….

Fill in the blanks: In a given data three angles are in the ratio 2:3:4. The angle of the largest sector when the given data is represented in pie diagram is……….

Fill in the blanks: In a class there are 36 boys and 24 girls the sector angle showing the boys in pie diagram is……….

Fill in the blank. (3) Saving a tree from cutting is a part of …………….. Movement.

Why did Mendeleeff had to leave certain blank spaces in his periodic table ? What is your explanation for this ?

A man saves 3/5 of his salary. Express by using variable ‘a’.