Skip to main content

H.C.F AND l.C.M OF NUMBERS

  1. The HCF of two Number is 4 and there LCM is 576. If one of the number is 64, find the other number.
    1. 35
    2. 36
    3. 37
    4. 38

 

  1. Three drums contain 36 Liters, 45 Liters and 72 liters of oil. What biggest measure can measure all the different quantities exactly ?
    1. 2
    2. 13
    3. 9
    4. 0

 

  1. Find yhe Largest number which can exactly divide 513, 783 and 1107.
    1. 21
    2. 13
    3. 14
    4. 27

 

  1. Find the smallest number which can exactly divide 12, 15,20 and  27.
    1. 543
    2. 310
    3. 540
    4. 345

 

  1. Find the smallest number exactly divible by 6,7,8,9 and 12.
    1. 506
    2. 606
    3. 906
    4. 806

 

  1. HCF of 23, 32, 4 and 15 is :
    1. 23
    2. 32
    3. 1
    4. 360

 

  1. The HCF of two numbers is 12  and their diffrence is also 12. the numbers are :
    1. 66,78
    2. 70,82
    3. 94,106
    4. 84,96

 

  1. The Largest number Which exactly divides 210 , 315, 147 and 161 is :
    1. 3
    2. 7
    3. 21
    4. 4410
    5. None of these

 

  1. The Least perfect square number which is divisivle by 12, 15, 20, and is a perfect square, is :
    1. 900
    2. 1200
    3. 2500
    4. 3600

 

  1. The Least number by which when divided by 5, 6, 7, and 8 leaves a remainder 3 , but when divided by 9 leaves no remainder, is :
    1. 1677
    2. 1683
    3. 2523
    4. 3363

 

  1. The Number of prime factors in the expression 610X717X1127 is :
    1. 54
    2. 64
    3. 71
    4. 81

 

  1. Which of the following fractions is the greatest of all ? 7/8, 6/7, 4/5, 5/6
    1. 6/7
    2. 4/5
    3. 5/6
    4. 7/8

 

  1. Which of the following fractions is the smallest of all ? 1/2, 3/7, 3/5, 4/9
    1. 4/9
    2. 3/5
    3. 3/7
    4. ½

 

  1. The sum of two numbers is 216 and there H.C.F is 27 . The numbers are :
    1. 54, 162
    2. 108,108
    3. 27, 189
    4. none of these
  2. If H.C.F.(26,91)=13, find the L.C.M.(26,91).
    1. 182
    2. 102
    3. 1
    4. 91

 

  1. The Least number which is divisible by 12, 15, 20 and is a perfect square is :
    1. 400
    2. 900
    3. 1600
    4. 3600
    5. none of these

 

  1. Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?
    1. 4
    2. 10
    3. 15
    4. 16
  2. When a certain number is multiplies by 13, the product consists entirely of lives. The smallest such number is :
    1. 0
    2. 1
    3. 2
    4. 3
  3. When a certain number is multiplied by 13, the product consists entirely of fives. The smallest such number is :
    1. 41625             
    2. 42515
    3. 42735
    4. 42135
  4. 3 + 2 √5 is
    1. irrational.
    2. rational.
    3. Odd
    4. Even
  5. Simplify :  91*81+78*78-2*91*78
    1. 167
    2. 168
    3. 169
    4. 235
  6. The sum of two number is 25 and the diffrence of there squares is 75. Find the Diffrence between the numbers.
    1. 1
    2. 2
    3. 3
    4. 4
  7. Which of the following numbers is exactly divisivle by 99.
    1. 3572404
    2. 13592
    3. 913464
    4. 114345
  8. The face value of 8 in the numberal 458926 is  :
    1. 8000
    2. 8
    3. 1000
    4. 458000
  9. The Local value of 9 in the numeral 5679032 is :
    1. 7
    2. 70000
    3. 10000
    4. 5070000

 

 

 

 

             

 

 

 

1. 36

2. 9

3.27

4.540

5.506

6.1

7. 84,96

8.7

9.3600

10.1683

11.64

12.7/8

13.3/7

14.27/189

15.4848

16.3600

17.16

18.1

19.42735

20. irrational.

21.169

22.3

23.114345

24.8

25.70000

 

 

 


Labels:

Comments

Post a Comment

Popular posts from this blog

POLITICAL SCIENCE CLASS X CBSE - POLITICAL PARTIES

POLITICAL SCIENCE CLASS X CBSE POLITICAL PARTIES CHALLENGES TO POLITICAL PARTIES We know that how crucial political parties are for the democracy. They are the most visible face of the democracy and people blame them for whatever is wrong in the working of democracy. This is a case of our country too. Popular dissatisfaction and criticism has focused on four problem areas in the working of political parties. 1. LACK OF INTERNAL DEMOCRACY (with in the party): all over the world there is a tendency in the political parties towards the concentration of power in one or few leaders at the top. --parties do not keep membership registers, do not hold organizational meetings and conduct internal elections regularly. --ordinary members do not get sufficient information on what happens inside the party. --leaders assume greater power to make decisions in the name of party. --more than loyalty to the party principles and policies, personal loyalty to the lead...
12 comments
Read more

Chivvy (Class VII - English Honeycomb - Chapter 4)

NCERT Textbook Exercise Questions (Important only) Working with the Poem Q.2: The last two lines of the poem are not prohibitions or instructions. What is the adult now asking the child to do? Do you think the poet is suggesting that this is unreasonable? Why? Ans: In the last two lines the adults are asking the child to think himself and to be independent in taking decisions in some matters. The adults are asking to be firm and determined which is unreasonable because they themselves don’t allow the child to take any decision. They always tell him what to do or what not to do. So, their asking the child to make up his own mind is totally unreasonable. Q.3: Why do you think grown-ups say the kind of things mentioned in the poem? Is it important that they teach children good manners, and how to behave in public? Ans: The grown-ups say such kind of things to their children in order to teach those good manners, etiquettes and how to behave in public. It is important to teach the children ...
30 comments
Read more