A. Rs.60
B. Rs.57
C. Rs.55
D. Rs.52
Explanation:
2 *3(15 + 4) = 114
114 * 1/2 = Rs.57
A. does not change
B. decreased by 1 %
C. increased by 1 %
D. None of these
Explanation:
Let the given number be x
Increased Number = (110% of x)
= (110/100 × x) = (11x/10)
Finally reduced number = (90 % of 11x/10)
= (90/100 × 11x/10) = 99x/100
Decrease = (x – 99x/100) = x/100
Decrease % = (x/100 × 1/x × 100)% = 1 %
A. 16 2/3% profit
B. 50/6% profit
C. 16 2/3% loss
D. 100/3% loss
Explanation:
10 CP = 12 SP
12 — 2 CP loss
100 — ? => 16 2/3%
A. 28 4/7 years
B. 31 5/7 years
C. 32 1/7 years
D. None of these
Explanation:
Required Average = [(67 * 2) + (35 * 2 ) + (6 * 3)]/(2 + 2 + 3)
= (134 + 70 + 18)/7 = 31 5/7 years.
A. 4 months
B. 6 months
C. 7 months
D. 9 months
Explanation:
45*12 : 54*x = 2: 1
x = 5
12 -5 = 7
A. 3
B. 4
C. 4 (1/2)
D. Insufficient data
Explanation:
M = 4
S = 2
US = 4 – 2 = 2
D = 6
T = 6/2 = 3
A. 12 km
B. 14 km
C. 16 km
D. 18 km