Mathematics Mcqs — Test 44
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Question 1
LCM of two numbers is 138. But their (Greatest common divisor) GCD is 23. The numbers are in a ratio 1:6. Which is the largest number amongst the two?
Question 2
LCM of 18 and 27 is_________?
Question 3
LCM of 87 and 145 is_______?
Question 4
LCM of 455, 117, 338 is________?
Question 5
LCM of 1/3, 5/6, 5/4, 10/7 is_________?
Question 6
The least number of four digits which is divisible by 15, 25, 40 and 75 is_________?
Question 7
The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:
Question 8
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they meet again at the starting point?
Question 9
The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is_________?
Question 10
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?