The speed of a motor boat is that of the current of water as 36:5. The boat goes along with the current in 5 hours 10 min, it will come back in_______?
A. 5 hours 50 min
B. 6 hours
C. 6 hours 50 min
D. 12 hours 10 min
general math mcqs
The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?
A. 10 seconds
B. 15 seconds
C. 20 seconds
D. 12 seconds
E. None of these
A boat covers a distance of 30 km in 2 ½ hours running downstream while returning it covers the same distance in 3 ¾ hours. What is the speed of the boat in still water?
A. 8km/hr
B. 12km/hr
C. 14 km/hr
D. 15 km/hr
E. None of these
The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?
A. 5km/hr
B. 8 km/hr
C. 10 km/hr
D. 15 km/hr
8/15 / 1 1/3 * 3 ?/4 = 1.5
A. 1
B. 2
C. 3
D. 5
(0.456 * 0.456 – 0.228 * 0.228) / (0.456 + 0.228) = ________?
A. 0.228
B. 0.456
C. 0.684
D. 1.0
If Rs. 7500 are borrowed at C. I at the rate of 4 % per annum then after 2 years, the amount to be paid is_______?
A. Rs. 8082
B. Rs. 7800
C. Rs. 8100
D. Rs. 8112
Simple Interest on a sum at 4% per annum for 2 years is 80. The compound interest on the same sum for the same period is_________?
A. Rs. 81.60
B. Rs. 160
C. Rs. 1081.60
D. None of these
Rs. 800 at 5 % Per annum compound interest will amount to Rs. 882 in________?
A. 1 Year
B. 2 years
C. 3 Years
D. 4 Years
A sum of money is borrowed and paid back in two annual installments of Rs. 882 each allowing 5% C.I. The sum borrowed was?
A. Rs. 1620
B. Rs. 1640
C. Rs. 1680
D. Rs. 1700