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Find the L.C.M. of the following numbers in which one number is the factor of the other. (a) 5, 20
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1
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2353
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April 3, 2019
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Find the L.C.M. of the following numbers: (a) 9 and 4
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1
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5177
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April 3, 2019
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Find the smallest four digit number which is divisible by 18, 24 and 32
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1
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3149
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April 3, 2019
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Find the least number which when divided by 6, 15 and 18 leave remainder 5 in each case
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1
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4187
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April 3, 2019
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Three tankers contain 403 liters, 434 liters and 465 liters of diesel respectively
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1
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931
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April 3, 2019
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The traffic lights at three different road crossings change after every 48 seconds, 72 seconds
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1
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2820
|
April 3, 2019
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Determine the largest 3-digit number exactly divisible by 8, 10 and 12
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1
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1868
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April 3, 2019
|
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Determine the smallest 3-digit number which is exactly divisible by 6, 8 and 12
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1
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2061
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April 3, 2019
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The length, breadth, and height of a room are 825 cm, 675 cm, and 450 cm, respectively
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1
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551
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April 3, 2019
|
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Three boys step off together from the same spot. Their steps measure 63 cm, 70 cm, and 77 cm,
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1
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1840
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April 3, 2019
|
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Renu purchases two bags of fertilizer of weights 75 kg and 69 kg
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1
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1173
|
April 3, 2019
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H. C.F. of co-prime numbers 4 and 15 was found as follows factorization:
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1
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622
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April 3, 2019
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What is the H.C.F. of two consecutive : (a) numbers?
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1
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441
|
April 3, 2019
|
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Find the HCF of the following numbers : (a) 18, 48
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1
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4780
|
April 3, 2019
|
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I am the smallest number, having four different prime factors. Can you find me?
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1
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530
|
April 3, 2019
|
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18 is divisible by both 2 and 3. It is also divisible by 2 x 3 = 6. Similarly,
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1
|
628
|
April 3, 2019
|
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Determine if 25110 is divisible by 45
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1
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1133
|
April 3, 2019
|
|
In which of the following expressions, prime factorisation has been done?
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1
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1328
|
April 3, 2019
|
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The sum of two consecutive odd numbers is divisible by 4. Verify this statement with the help of same examples
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1
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1484
|
April 3, 2019
|
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The product of three consecutive numbers is always divisible by 6
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1
|
1527
|
April 3, 2019
|
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Find all the prime factors of 1729 and arrange them in ascending order
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1
|
996
|
April 3, 2019
|
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Write the smallest 5-digit number and express it in the form of its prime factors
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|
1
|
3153
|
April 3, 2019
|
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Write the greatest 4-digit number and express it in terms of its prime factors
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|
1
|
3322
|
April 3, 2019
|
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Which factors are not included in the prime factorisation of a composite number?
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1
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667
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April 3, 2019
|
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Here are two different factor trees for 60. Write the missing numbers
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1
|
901
|
April 3, 2019
|
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Which of the following statements are true? (a) If a number is divisible by 3, it must be divisible by 9
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1
|
415
|
April 3, 2019
|
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A number is divisible by 12. By what other numbers will that number be divisible?
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1
|
792
|
April 3, 2019
|
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A number is divisible by both 5 and 12. By which other number will that number be always divisible?
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1
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822
|
April 3, 2019
|
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Which of the following numbers are co-prime? (a) 18 and 35
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1
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3353
|
April 3, 2019
|
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Write all the numbers less than 100 which are corrimon multiples of 3 and 4
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1
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442
|
April 3, 2019
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