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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

 

 

 


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