Problems on H.C.F and L.C.M Find the greatest 4-digit number exactly divisible by 3, 4 and 5? 9960 9985 9975 9957 9960 9985 9975 9957 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M An officer was appointed on maximum daily wages on contract money of Rs. 4956. But on being absent for some days, he was paid only Rs. 3894. For how many days was he absent? 5 3 6 4 5 3 6 4 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Six belts commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes. how many times do they toll together ? 4 15 10 16 4 15 10 16 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Three friends Raju , Ramesh and Sunil start running around a circular stadium and complete a single round in 24 s, 36 s and 40 s, respectively. After how many minutes will they meet against at the sta 8 minutes 7 minutes 6 minutes 5 minutes 8 minutes 7 minutes 6 minutes 5 minutes ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24 = 3 × 2 × 2 × 2 = 3 × 2³ 36 = 3 × 3 × 2 × 2 = 3² × 2²and 40 = 2 × 2 × 2 × 5 = 5¹ × 23 LCM of 24, 36 and 40 = 3² × 2³ × 5 = 9 × 8 × 5 = 360Hence, they will meet again at the starting point after 360 s, i.e., 6 min
Problems on H.C.F and L.C.M LCM of 18 and 27 is: 89 91 54 85 89 91 54 85 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M L.C.M of two prime numbers x and y (x>y) is 161. The value of 3y-x is : -2 -1 2 1 -2 -1 2 1 ANSWER DOWNLOAD EXAMIANS APP
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