Q.1
N.A
${2}^{3},{3}^{2},4$ And the greatest common divisor of 15 (H.C.F) Find?

Q.2
N.A
What is H.C.F. of ${A}^{2}{B}^{4}{C}^{6},{B}^{3}{C}^{8}{A}^{4}$ and ${A}^{8}{B}^{6}{C}^{2}$

Q.3
N.A
What is the H.C.F. of $\left({2}^{3}Ã—{3}^{2}Ã—{5}^{3}Ã—{7}^{2}\right),\left({2}^{2}Ã—3Ã—{5}^{2}Ã—7\right),\left({3}^{4}Ã—{5}^{4}Ã—2\right)$ ?

Q.4
N.A
what is  the L.C.M. of $\left({2}^{3}Ã—3Ã—{5}^{2}Ã—7\right),\left({2}^{4}Ã—{3}^{2}Ã—5Ã—{7}^{2}Ã—11\right),\left(2Ã—{3}^{3}Ã—{5}^{4}\right)$ ?

Q.5
N.A
H.C.F. of two numbers is 12 and L.C.M. is 600. If one number is 24, then what is the average of both two numbers?

Q.6
N.A
Soldiers, that are stood in the equal lines of soilders of 12 , 15 and 18 and that can be arranged in a solid squre .what will be the minimum number of this ?

Q.7
N.A
What is the H.C.F. of 36 and 84?

Q.8
N.A
What is the L.C.M. of $\frac{2}{3},\frac{4}{9},\frac{5}{6}$ and $\frac{7}{12}$ ?

Q.9
N.A
What is the H.C.F. of 42, 63 and 140?

Q.10
N.A
How many times 5 bells will ring if they started rang together and they will ring at the interwel of 5,6,8,12,20 respectively ?

Q.11
N.A
Four Bells ring at the interval of 4,6,8 and 14 sec, They gathered around the ring starts at 12 pm, what time they will rang together?

Q.12
N.A
LCM of two numbers is 2310. If one is 210 then what is the second number?

Q.13
N.A
What is the smallest number of five digits that will completely divided with each number i.e 12,15,18 ?

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