Problems on H.C.F and L.C.M The greatest possible length which can be used to measure exactly the length 7 m, 3 m 85 cm, 12 m 95 cm is : 42 cm 35 cm 15 cm 25 cm 42 cm 35 cm 15 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles, all of the same size. what is the largest size of the tile which could be used for the purpose? 14 cms None of these 42 cms 21 cms 14 cms None of these 42 cms 21 cms ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Find the largest number which divides 62,132,237 to leave the same reminder 30 35 None of these 25 30 35 None of these 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Trick is HCF of (237-132), (132-62), (237-62)= HCF of (70,105,175) = 35
Problems on H.C.F and L.C.M The greatest number of four digits that have 144 for their HCF is? 9903 9935 9936 9930 9903 9935 9936 9930 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Find the greatest possible length which can be used to measure exactly the lengths 4 m 95 cm, 9 m and 16 m 65 cm. 45 cm 35 cm 55 cm 25 cm 45 cm 35 cm 55 cm 25 cm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required length = H.C.F. of 495 cm, 900 cm and 1665 cm. 495 = 3² x 5 x 11, 900 = 2² x 3² x 5², 1665 = 3² x 5 x 37. H.C.F. = 32 x 5 = 45. Hence, required length = 45 cm.
Problems on H.C.F and L.C.M Find the least number which when divided by 35 leaves remainder 25, when divided by 25 leaves remainder 15 and when divided by 15 leaves remainder 5? 420 435 515 518 420 435 515 518 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS