A. 4
B. 6
C. 12
D. 18
Explanation:
36 = 22 * 32; 84 = 22 * 3 * 7
H.C.F = 22 * 3 = 12
Related Mcqs:
- Greatest Common Divisor of two numbers is 8 while their Least Common Multiple is 144. Find the other number if one number is 16.
A. 108
B. 96
C. 72
D. 36 - Find the lowest common multiple of 24, 36 and 40.
A. 120
B. 240
C. 360
D. 480 - 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?
A. 46
B. 138
C. 69
D. 23 - The wheels revolve round a common horizontal axis. They make 15, 20 and 48 revolutions in a minute respectively. Starting with a certain point on the circumference down wards. After what interval of time will they come together in the same position?
A. 1 min
B. 2 min
C. 3 min
D. None - A man was employed on the promise that he will be paid the highest wages per day. The contract money to be paid was Rs. 1189. Finally he was paid only Rs. 1073. For how many days did he actually work?
A. 39
B. 40
C. 37
D. 35 - The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 28. Which of the following integers is the higher of the remaining two integers?
A. 58
B. 86
C. 49
D. None of these - The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?
A. 2
B. 5
C. 8
D. Cannot be determined - A drink vendor has 80 liters of Maaza, 144 liters of Pepsi and 368 liters of Sprite. He wants to pack them in cans, so that each can contains the same number of liters of a drink, and doesn’t want to mix any two drinks in a can. What is the least number of cans required?
A. 35
B. 37
C. 42
D. 30 - If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?
A. 55/601
B. 601/55
C. 11/120
D. 120/11 - Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15 and 22 as remainders respectively?
A. 9654
B. 9666
C. 9664
D. 9864