Question
Speed of a boat in downstream is 50% more than that in
upstream. Total time to travel 48 km upstream and 36 km downstream is 6 hours. What is the speed of boat in downstream?Solution
Speed of a boat in downstream = 150/100 × Speed of a boat in upstream DS : US = 3x : 2x According to question, => 48/2x + 36/3x = 6 => 144 + 72 = 36x => x = 6 Speed of a boat in downstream = 3x = 3 × 6 = 18 km/hr
Raj invested Rs.32000 in a business. After 7 months, Rohan joins him with an investment of Rs.P. If at the end of the year the profit is Rs.55000 and pr...
Karun and Varun invested Rs 2800 and Rs. x in a business. After 3 months, Karun added Rs 400 while Varun withdrew Rs 500. After a year out of a total pr...
‘P’ and ‘Q’ entered into a business by investing Rs. ‘y’ and Rs. ‘y – 400’, respectively. If their combined annual profit amounts to R...
P started a business investing Rs.15000. After 4 months, Q joined her with the capital of Rs.20000. After another 6 months, R joined them with the capit...
If the ratio of time periods of investment of A and B is 5:6, profit at the end of the year is Rs.100000 and A’s share in it is Rs.25000, then what is...
A and B invested Rs.5000 and Rs.10000 in a business respectively and after 3 months B withdrawn 50% of his initial investment and again after 5 months h...
'A' and 'B' started a business by investing Rs. 8,000 and Rs. 10,000, respectively. 'A' invested for 10 months and 'B' invested for 12 months. 'A' also...
Three friends A, B and C entered into partnership by investing Rs. 10X, Rs. (2X + 62) and Rs. (2000 – 5X) respectively. The ratio of the time period o...
G, L, and M initiated a Construction Materials business with investments of Rs. 4500, Rs. 2700, and Rs. 3600, respectively. After 3 months, G and M each...
- 'Ajay' and 'Bheem' entered in a partnership such that sum invested by 'Ajay' is 25% more than that by 'Bheem' while 'Bheem' invested his sum for 25% less t...
Relevant for Exams:
