A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?
A. 7 km/h
B. 5 km/h
C. 3 km/h
D. 2 (1/2) km/h
Basic Arithmetic
A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man’s rate is________?
A. 1 kmph
B. 5 kmph
C. 8 kmph
D. 3 kmph
The difference between simple and compound interest on Rs. 1200 for one year at 10% per annum reckoned half-yearly is________?
A. Rs. 2.50
B. Rs. 3
C. Rs. 3.75
D. Rs. 4
What will be the difference between simple and compound interest at 10% per annum on a sum of Rs. 1000 after 4 years?
A. Rs. 31
B. Rs. 32.10
C. Rs. 40.40
D. Rs. 64.10
If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same sum at the rate and for the same time?
A. Rs. 51.25
B. Rs. 52
C. Rs. 54.25
D. Rs. 60
Find the Compound Interest on Rs. 15,625 for 9 months at 16% per annum compounded quarterly?
A. Rs. 1851
B. Rs. 1941
C. Rs. 1951
D. Rs. 1961
What is the difference between the C.I. on Rs. 5000 for 1 1/2 years at 4% per annum compounded yearly and half-yearly?
A. Rs. 2.04
B. Rs. 3.06
C. Rs. 4.80
D. Rs. 8.30
A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
A. 16
B. 8
C. 12
D. 20
Simple interest on a sum at 4% per annum for 2 years is Rs.80. The C.I. on the same sum for the same period is_______?
A. Rs.81.60
B. Rs.160
C. Rs.1081.60
D. Rs.99
The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?
A. 4%
B. 5%
C. 6%
D. 8%