Jim is 5/8 as heavy as Kevin and 3/4 as heavy as Lionel.

What is the ratio of Lionel’s mass to Kevin’s mass?

Paul bought a cabinet with 3 shelves for his collection of 110 encyclopedias and 150 story books.

    The encyclopedias have the same thickness and 76 copies were fitted exactly on the top shelf.

The story books also have the same thickness and 96 books were fitted exactly on the middle shelf.

    The rest of the encyclopedias and story books would occupy the bottom shelf.

    How many books and/or encyclopedia will not fit?

Mrs Soh has some coloured buttons.

   1/6 of the buttons are red, 1/8 of them are blue and the rest are white and grey in the ratio 2 : 3. 

    What is the ratio of the number of blue to grey buttons?

A bag of jellybeans was shared among 5 children.

Alvin took 1/4 of the jellybeans and Bala took 1/3 of the remainder.

Carol took 4/5 as many jellybeans as Bala and Daniel took 3/4 as many jellybeans as Alvin.

Elaine took the rest of the jellybeans.

What is the ratio of the number of jellybeans taken by Elaine to the total number of jellybeans?

Thomas had a sum of money.

He spent 2/7 of it on a book and 1/3 of the remainder on a toy.

The rest was spent on trading cards and marbles in the ratio 3 : 2.

What was the ratio for the amounts portioned to the book to the toy to the cards to the marbles?