A. 6
B. 12
C. 18
D. None of these
Let the numbers be 3x, 4x and 6x.
Then, 3x x 4x x 6x = 1944 72x3 = 1944
x3 = 27 ,=> x = 3
∴ Largest number = 6x = 18,
Related Mcqs:
- The sum of three numbers is 172. The ratio of the first and second numbers is 8:11. The ratio of the second and third is 5:7. Find the second number.
A. 44
B. 55
C. 66
D. 77 - Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?
A. 75
B. 81
C. 85
D. 89 - The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?
A. 28
B. 32
C. 40
D. 64 - The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?
A. 12
B. 48
C. 84
D. 108 - Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are__________?
A. 4, 8, 12
B. 5, 10, 15
C. 10, 20, 30
D. 12, 24, 36 - The sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number.
A. 8
B. 6
C. 12
D. 18 - 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 - Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :________?
A. 27
B. 33
C. 49
D. 55 - The ratio of two numbers is 5:9. If each number is decreased by 5, the ratio becomes 5:11. Find the numbers.
A. 30, 19
B. 21, 37
C. 15, 34
D. 15, 27 - The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.
A. 15
B. 10
C. 8
D. 5
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