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 7 minutes 5 minutes 6 minutes 8 minutes 7 minutes 5 minutes 6 minutes 8 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 The least number of four digits which is divisible by 15, 25, 40 and 75 is: 9600 9000 9400 9800 9600 9000 9400 9800 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M In finding the HCF of two numbers, the last divisor was 41 and the successive quotients, starting from the first, where 2, 4 and 2. The numbers are? 800,500 820,360 820,369 700,400 800,500 820,360 820,369 700,400 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The H.C.F. of 0.54, 1.8 and 7.2 is: 1.8 0.018 0.18 18 1.8 0.018 0.18 18 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M Which of the following has most number of divisors? 176 101 99 182 176 101 99 182 ANSWER DOWNLOAD EXAMIANS APP
Problems on H.C.F and L.C.M The least number of five digits which is exactly divisible by 12,15 and 18 is : 10080 10015 10010 10020 10080 10015 10010 10020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP NA
EXAMIANS