In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?
A. 8500
B. 8000
C. 8100
D. 8400
A. 8500
B. 8000
C. 8100
D. 8400
A. Rs.10
B. Rs.2
C. Rs.5
D. Rs.3
Explanation:
1250 = D(100/4)2
D = 2
A. Rs.635.50
B. Rs.613.50
C. Rs.675.50
D. Rs.653.50
A. Rs.81000
B. Rs.80000
C. Rs.75000
D. Rs.64000
Explanation:
64000* 9/8 * 9/8 = 81000
A. Rs.1261
B. Rs.9261
C. Rs.9621
D. Rs.9162
Explanation:
A = 8000(21/20)3 = 9261
A. Rs.8000
B. Rs.8400
C. Rs.7500
D. None
What sum of money put at C.I amounts in 2 years to Rs.8820 and in 3 years to Rs.9261? Read More »
Compound Interest, Mathematics Mcqs A. Rs.3000
B. Rs.3300
C. Rs.3600
D. Rs.3900
A. 1500
B. 1800
C. 2100
D. 1950
P = 15(100/10)2 => P = 1500
A. Rs.4000
B. Rs.1000
C. Rs.1250
D. Rs.2000
Explanation:
P(11/10)4 – P(6/5)2 = 482
P = 2000
A. Rs.12000
B. Rs.14200
C. Rs.17520
D. Rs.13500
Explanation:
P = (184*106) / [6 2/3 * 6 2/3 *(300*6 2/3)]
P = 13500