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free Online Test Problems on HCF and LCM Questions and Answers Quiz 2

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Exercise

"Life is like riding a bicycle. To keep your balance you must keep moving."
- Albert Einstein
1 . The maximum numbers of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is
A.  91 B.    910
C.  1001 D.    1911
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2 . 252 can be expressed as a product of prime as
A.  2 × 2 × 3 × 3 × 7 B.    2 × 2 × 2 × 3 × 7
C.  3 × 3 × 3 × 3 × 7 D.    2 × 3 × 3 × 3 × 7
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3 . Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly?
A.  1 litre B.    7 litre
C.  31 litre D.    41 litre
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4 . The HCF of two numbers is 8. Which one of the following can never be their LCM?
A.  8 B.    12
C.  60 D.    72
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5 . The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 10, then their difference is
A.  10 B.    46
C.  70 D.    90
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6 . Let N be the greatest numbers that will divide 43, 91 and 183 so as to leave the same remained in each case.
A.  4 B.    7
C.  9 D.    13
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7 . Which of the following has most number of divisors?
A.  99 B.    101
C.  176 D.    182
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8 . Which of the following is a pair of co-primes?
A.  (16, 62) B.    (18, 25)
C.  (21, 35) D.    (23, 92)
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9 . The HCF of 1.75, 5.6 and 7 is :
A.  0.07 B.    0.7
C.  3.5 D.    0.35
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10 . The product of two numbers is 4107. If the HCF of these numbers is 37, then the greater number is :
A.  101 B.    107
C.  111 D.    185
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