Summative Assessment-I Mcq Math Worksheets And Practice Questions - Class Vi - 2014-2015 Page 22
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4623. Find all the prime factors of 1729 and arrange them in ascending order. Now state the relation, if
any; between two consecutive prime factors.
24. The product of three consecutive numbers is always divisible by 6. Verify this statement with the
help of some examples.
25. The sum of two consecutive odd numbers is divisible by 4. Verify this statement with the help of
some examples.
26. Find the HCF of the following:
(i) 24 and 36 (ii) 15, 25 and 30
(iii) 8 and 12 (iv) 12, 16 and 28
27.
Find the LCM of 12 and 18.
28.
Find the LCM of 40, 48 and 45.
29.
Find the LCM of 20, 25 and 30.
30.
Two tankers contain 850 litres and 680 litres of kerosene oil respectively. Find the maximum
capacity of a container which can measure the kerosene oil of both the tankers when used an
exact number of times.
31.
In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and 90 cm
respectively. What is the minimum distance each should walk so that all can cover the same
distance in complete steps?
32.
Find the least number which when divided by 12, 16, 24 and 36 leaves a remainder 7 in each
case.
33. The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively. Find the
longest tape which can measure the three dimensions of the room exactly.
34. Determine the smallest 3-digit number which is exactly divisible by 6, 8 and 12.
35. Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
36. The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and
108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change
simultaneously again?
37. Three tankers contain 403 litres, 434 litres and 465 litres of diesel respectively. Find the
maximum capacity of a container that can measure the diesel of the three containers exact
number of times.
38. Find the least number which when divided by 6, 15 and 18 leave remainder 5 in each case.
39. Find the smallest 4-digit number which is divisible by 18, 24 and 32.
40. Renu purchases two bags of fertiliser of weights 75 kg and 69 kg. Find the maximum value of
weight which can measure the weight of the fertiliser exact number of times.
Prepared by: M. S. KumarSwamy, TGT(Maths)
Page - 22 -
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