Jharne De and Ranjana Kumar Solutions for Chapter: Introduction to Algebra, Exercise 2: Sample Test

Write the decimal fraction $35.007$ in expanded form.

B. Answer the following:

Find the sum by suitable arrangement: $2432+493+1463+107$.

C. Answer the following:

Find the prime factorisation of $2145$. Arrange the factors in ascending order.

C. Answer the following:

Nirja has $48$ roses. She wants to make different patterns with the roses. Find out in how many different ways she can arrange them.

D. Answer the following:

Estimate the sum by rounding off to the nearest ten: $74635+82960+1245$.

D. Answer the following:

Find the greatest $5-$digit number which when divided by $8, 14, 18, 24 \mathrm{and} 48$ leaves a remainder of $6$ in each case.

There are $36$ rows in a cinema hall. Find the minimum number of chairs in each row if the capacity of the cinema hall is $600$ people at a time.

D. Answer the following:

Find the difference between the greatest and the smallest fraction.

$6\frac{3}{8}, 2\frac{1}{4}, \frac{17}{9}, 5\frac{2}{3}$