A. 123
B. 127
C. 235
D. 305
Explanation:
Required number = H.C.F. of (1657 – 6) and (2037 – 5)= H.C.F. of 1651 and 2032 = 127.
A. Rs.8
B. Rs.6
C. Rs.4
D. Rs.9
A. Rs.482
B. Rs.424
C. Rs.842
D. Rs.512
Explanation:
20000(11/10)4 – 20000(6/5)2 = 482
A. 196
B. 630
C. 1260
D. 2520
Explanation:
L.C.M of 12, 18, 21, 30
= 2 * 3 * 2 * 3 * 7 * 5 = 1260
Required number = 1260/2 = 630.
A. 1:2
B. 3:4
C. 2:5
D. 3:7
Explanation:
They should the profits in the ratio of their investments.
The ratio of the investments made by A and B =
6000 : 8000 => 3:4
A. 24 days
B. 14 days
C. 15 days
D. 20 days
Time and Men are inversely proportional. Time taken by 28 men to finish the work = 15 days Time taken by a man to finish the work
= 15*28 days Time taken by 21 men = (15*28)/21 = 20 days
A. Rs. 8400
B. Rs. 8721
C. Rs. 8856
D. None of these
Explanation:
Actual price = 95% of 90% of 85% of Rs. 12000
= 95/100 * 90/100 * 85/100 * 12000 = Rs. 8721.