3/20 is what percent of 12/25?
A. 42.75%
B. 31.25%
C. 35.5%
D. 40.5%
E. None of these
Explanation:
Let the required percentage be x%.
3/20 = x% of 12/25 => 3/20 = x/100 * 12/25
=> 12x = (300 * 25)/20 => x = (25 * 25)/20
=> x = 31.25%.
A. 42.75%
B. 31.25%
C. 35.5%
D. 40.5%
E. None of these
Explanation:
Let the required percentage be x%.
3/20 = x% of 12/25 => 3/20 = x/100 * 12/25
=> 12x = (300 * 25)/20 => x = (25 * 25)/20
=> x = 31.25%.
A. 10 days
B. 12 days
C. 8 days
D. 9 days
Part of work completed by C in 1 day = 1/12 Part of work completed by D in 1 day = 1/15 Part of work completed by C in 4 days
= 1/3 Work remaining = 2/3 Time taken by D to complete the work
= (2/3)÷(1/15) = 10 days
A. Rs.140
B. Rs.120
C. Rs.130
D. Rs.110
E. None of these.
A. 8.5 m
B. 17 m
C. 34 m
D. 51 m
Let the breadth of the plot be b m.
Length of the plot = 3 b m
(3b)(b) = 867
3b2 = 867
b2 = 289 = 172 (b > 0)
b = 17 m.
A. 20%
B. 45%
C. 44%
D. 48%
Explanation:
g% = 20 + 20 + (20*20)/100
= 44%
A. 24.3 m
B. 243 m
C. 2430 m
D. 24300 m
A. 484Sq.cm
B. 538 2/7 Sq.cm
C. 616 Sq.cm
D. 644 Sq.cm