Square of which of the following number will have 6 at its unit place?

(a) 38

(b) 24

(c) 32

(d) 45

Academic Mathematics NCERT Class 8

To do:

We have to find which of the given number will have $6$ at its units place.

Solution:

We know that,

The square of a number having $4$ or $6$ at the units place ends in $6$.

Therefore,

The square of $24$ will have $6$ at its unit place.

Option (b) is the correct answer.

Tutorialspoint

Updated on: 10-Oct-2022

82 Views

Find the LCM of the following numbers in which one number is the factor of the other.(a) 5, 20(b) 6, 18 (c) 12, 48 (d) 9, 45
Find square of the following number using column method: $24$.
Which of the following number are perfect square? $(a).\ 81\ \ (b).\ 168\ \ (c).\ 196\ \ (d).\ 14400\ \ (e).\ \ 625\ \ (f).\ 570$
Replace \( \square \) in each of the following by the correct number:(a) \( \frac{2}{7}=\frac{8}{\square} \)(b) \( \frac{5}{8}=\frac{10}{\square} \)(c) \( \frac{3}{5}=\frac{\square}{20} \)(d) \( \frac{45}{60}=\frac{15}{\square} \)(e) \( \frac{18}{24}=\frac{\square}{4} \)
How many grams of magnesium will have the same number of atoms as 6 grams of carbon? (Mg = 24 u ; C = 12 u)
The number of books in different shelves of a library are as follows:30, 32, 28, 24, 20, 25, 38, 37, 40, 45, 16, 20, 19, 24, 27, 30, 32, 34, 35, 42, 27, 28, 19, 34,38, 39, 42, 29, 24, 27, 22, 29, 31, 19, 27, 25, 28, 23, 24, 32, 34, 18, 27, 25, 37, 31, 24, 23,43, 32, 28, 31, 24, 23, 26, 36, 32, 29, 28, 21.Prepare a cumulative frequency distribution table using 45-49 as the last class interval.
If 32 g of sulphur has x atoms, then the number of atoms in 32 g of oxygen will be :(a) x/2 (b) 2x (c) x (d) 4x
Which one of the following is not the unit of energy?$(a)$. joule$(b)$. newton metre$(c)$. kilowatt$(d)$. kilowatt hour
Which one of the following does not have valves?(a) heart (b) arteries (c) capillaries (d) veins
Which of the following does not have a streamlined shape?(a) aeroplane(b) boat(c) bird(d) bus
What will be the unit digit of the square of 81?
Determine if the following are in proportion.(a) 15, 45, 40, 120 (b) 33, 121, 9,96 (c) 24, 28, 36, 48(d) 32, 48, 70, 210 (e) 4, 6, 8, 12 (f) 33, 44, 75, 100.
Which one of the following numbers is a perfect square? 722,363,5778,625(A) 722(B) 5778(C) 363(D) 625
Which of the following could not be a unit of speed(a) $km/h$(b) $s/m$(c) $m/s$(d) $mms^{-1}$
Open drain system is a breeding place for which of the following?(a) Flies(b) Mosquitoes(c) Organisms which cause diseases(d) All of these

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements