(i) Provide the number in the box , such that .

(ii) The simplest form of the number obtained in is ________.

A picture hall has seats for 820 persons. At a recent film show, one usher guessed it was full, another that it was full. The ticket office reported 648 sales. Which usher (first or second) made the better guess?

In a “magic square”, the sum of the numbers in each row, in each column and along the diagonal is the same. Is this a magic square?

Find:

(a) 1/2 of (i) (ii)

(b) 5/8 of (i) (ii)

Anuradha can do a piece of work in 6 hours. What part of the work can she do in 1 hour, in 5 hours, in 6 hours?

How much cloth will be used in making 6 shirts, if each requiredm of cloth, allowingm for waste in cutting and finishing in each shirt?

Describe two methods to compareand 0.82. Which do you think is easier and why?

Sunita and Rehana want to make dresses for their dolls. Sunita hasm of cloth, and she gaveof it to Rehana. How much did Rehana have?

What is the product ofand its reciprocal?

Health: The directions for a pain reliever recommend that an adult of 60 kg and over take 4 tablets every 4 hours as needed, and an adult who weighs between 40 and 50 kg take onlytablets every4 hours as needed. Each tablet weighsgram.

a) If a 72 kg adult takes 4 tablets, how many grams of pain relievers he or she receiving?

b) How many grams of pain reliever is the recommended dose for an adult weighing 46 kg?

Reemu readth pages of a book. If she reads further 40 pages, she would have readth pages of the book. How many pages are left to be read?