Mathematics Practice Class 5

Write the number numeral for "seven hundred eighty million four hundred nine thousand fifty six".

• 708,409,056

• 780,409,056

• 780,049,056

• 780,490,056

Write the number name for 78,00,29,156

• seventy eight crore twenty nine thousand one hundred fifty six ones

• seventy eight crore zero lakh twenty nine thousand one hundred fifty six

• seventy eight crore twenty nine thousand one hundred fifty six

• None of these

Which of the following are two consecutive prime numbers that differ by two?

• Co-prime

• Twin prime

• Composite numbers

• Both A and B

Identify the correct statement.

• The L.C.M of two co-primes is their product.

• The H.C.F of two twin primes is their product.

• The largest factor of a number is 1.

• The smallest factor of a number is the number itself.

Find the smallest whole number that is divisible by both 24 and 10

• 80

• 60

• 144

• 120

How is 20 written in prime factorisation

• 2 x 5

• 2 x 2 x 3 x 5

• 2 x 2 x 5

• 2 x 2 x 3

Which of the following improper fractions is equivalent to  $15\frac{2}{7}$ .

•  $\frac{15}{14}$  

•  $\frac{107}{7}$  

•  $\frac{30}{7}$ 

•  $\frac{37}{7}$  

Find the fraction greater than $\frac{7}{8}$ .

•  $\frac{2}{3}$  

•  $\frac{5}{8}$  

•  $\frac{9}{11}$ 

•  $\frac{11}{12}$  

Evaluate the product

0.05 x 0.09

• 0.045

• 0.45

• 0.0045

• 4.5

What is the value of 11.07 rounded off to the nearest tenth?

• 11.0

• 11.1

• 11.2

• 12.04