Question

1. Find the LCM of 12 and 18
(b) 36
(c) 12
(d) 18
2. LCM of two co-prime numbers is always
(b) sum of numbers
(a) product of numbers
(c) difference of numbers
(d)none
3. Find the least number which when divided by 6.15 and 18 leave remainder 5 in each case
(a) 90
(b) 180
(c) 95
(d)185
4. Divisibility by 2,5,10 can be checked by
(a) sum of digits
(b) last digit
(c) last two digits
(d) last three digits
5. Which is greatest 3-digit number exactly divisible by 8.10.12
(a) 120
(b) 360
(c) 960
(d) 980
6. 42x2 . 15= 3x5, so H.C.F. of 4 and 15 is
(a) 0
(b) !
(c) 2
(d) 3
7. Find the least number which when divided by 12, 16, 24 and 36 leaves a remainder 7 in each
(a) 150
(b) 151
(c)144
(d) none of these
& 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.
(a) 150
(b) 138
(c)144
(d) none of these
9. Which of the following is divisible by 3?
(a)15287
(b) 15267
(c) 15286
(d) 152638
10. Which of the following is divisible by 9?
(a)15287
(b) 15267
(e) 15286
(d) 152638
11. If a number is divisible by 9, it must be divisible by
(a) 6
(b) 3
(c)2
(d) 12
12. Numbers having more than two factors are called Composite numbers
(a) Prime numbers
(b) Co-prime numbers
(c) Composite numbers
(d) Odd numbers​

Answer 1

Answer:

627377883888387837378383837

Answer 2

$\color{blue}{❥Answer}$

1. 36.
2. Product of Numbers.
3. 95.
4. Sum of Numbers.
5. 960.
6. 0.
7. 151.
8. 3 kg.
9. 85203.
10. 9990.
11. 3.
12. Composite Number.

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