A. 30/7
B. 30/98
C. 60/147
D. 50/294
Explanation:
Advertisement
Required fraction = L.C.M of 6/7, 5/14, 10/21
= (L.C.M of 6, 5, 10) / (H.C.F of 7, 14, 21) = 30/7
Related Mcqs:
- The denominator of a fraction is 1 less than twice the numerator. If the numerator and denominator are both increased by 1, the fraction becomes 3/5. Find the fraction?
- A. 2/3 B. 3/5 C. 4/7 D. 5/9 E. None of these...
- If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.
- A. 1/12 B. 1/8 C. 1/6 D. 1/4...
- When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction?
- A. 5/4 B. 4/7 C. 5/6 D. 6/7 E. None of these...
- If the numerator of a fraction is increased by 140 % and the denominator is increased by 150 % the resultant fraction is 4/15 what is the original fraction?
- A. 3/5 B. 5/16 C. 2/9 D. None of these...
- If the numerator of a fraction is increased by 250 % and the denominator is increased by 400 % the resultant fraction is 7/19. What is the original fraction?
- A. 10/19 B. 5/9 C. 9/5 D. 19/7...
- The smallest number when increased by ” 1 ” is exactly divisible by 12, 18, 24, 32 and 40 is__________?
- A. 1439 B. 1440 C. 1459 D. 1449...
- Least perfect square number, exactly divisible by 21, 36 and 56 is_________?
- A. 3600 B. 504 C. 441 D. 7056...
- A rectangular courtyard 3.78min long and 5.25m broad is to be paved exactly with square tiles all of the same size. The minimum number of such tiles is_________?
- A. 430 B. 440 C. 450 D. 460...
- Find the greatest 4-digit number exactly divisible by 3, 4 and 5?
- A. 9985 B. 9960 C. 9957 D. 9975...
- Find the greatest number that exactly divides 35, 91 and 840?
- A. 5 B. 6 C. 7 D. 8...
Advertisement
