Q1)-The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:
Q2)-The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:
Q3)-The sum and the differences of the L.C.M. and the H.C.F. of two numbers are 312 and 264, respectively. Find the numbers if their sum is 168.
Q4)-Find the greatest number that will divide 63, 45 and 69 so as to leave the same remainder.
Q5)-Find the smallest number that leaves a remainder of 4 on division by 5, 5 on division by 6, 6 on division by 7, 7 on division by 8 and 8 on division by 9?
Q6)-Sum of two numbers x, y = 1050. What is the maximum value of the HCF between x and y?
Q7)-6 different sweet varieties of count 32, 216, 136, 88, 184, 120 were ordered for a particular occasion. They need to be packed in such a way that each box has the same variety of sweet and the number of sweets in each box is also the same. What is the minimum number of boxes required to pack?
Q8)-Least number which when divided by 5,6,7,8 and leaves remainder 3, but when divided by 9, leaves no remainder?
Q9)-What is the least number when divided by 4, 5, 6, 8 and 10 leaves 3 as remainder?
Q10)-The HCF of 2 numbers is 11 and LCM is 693.If one of numbers is 77.find the other number ?
Answers
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279
283
308
318
Q2)-The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:
1008
1015
1022
1032
Q3)-The sum and the differences of the L.C.M. and the H.C.F. of two numbers are 312 and 264, respectively. Find the numbers if their sum is 168.
60,108
108,84
92,84
96,72
Q4)-Find the greatest number that will divide 63, 45 and 69 so as to leave the same remainder.
6
9
8
10
Q5)-Find the smallest number that leaves a remainder of 4 on division by 5, 5 on division by 6, 6 on division by 7, 7 on division by 8 and 8 on division by 9?
2519
5039
1079
979
Q6)-Sum of two numbers x, y = 1050. What is the maximum value of the HCF between x and y?
350
700
1050
525
Q7)-6 different sweet varieties of count 32, 216, 136, 88, 184, 120 were ordered for a particular occasion. They need to be packed in such a way that each box has the same variety of sweet and the number of sweets in each box is also the same. What is the minimum number of boxes required to pack?
129
64
48
97
Q8)-Least number which when divided by 5,6,7,8 and leaves remainder 3, but when divided by 9, leaves no remainder?
1683
1680
1693
1694
Q9)-What is the least number when divided by 4, 5, 6, 8 and 10 leaves 3 as remainder?
63
117
123
243
Q10)-The HCF of 2 numbers is 11 and LCM is 693.If one of numbers is 77.find the other number ?
99
198
66
None of these
- c
- b
- d
- a
- a
- d
- d
- a
- c
- a
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