ATQ, Total distance to be covered = 40 × (90/60) = 60 km Time taken to cover half the distance at original speed = {(60 ÷ 2) ÷ 40} × 60 = 45 minutes Time remaining = 90 – 45 – 15 = 30 minutes Required speed = 30 ÷ 30 × 60 = 60 km/h
‘A’, ‘B’ and ‘C’ entered into a partnership by making investments in the ratio 5:2:9, respectively. At end of the year, if the difference be...
‘A’ invested Rs. 3600 for ‘x’ months while ‘B’ invested Rs. 600 less amount than ‘A’ for (x + 2) months....
'X' and 'Y' invested 'a + 2400' and '2a', respectively, to launch their businesses. 'X' withdrew half of his money four months later. Determine 'X's inv...
‘A’ started a business by investing Rs. 1800. Four months later, ‘B’ joined by investing Rs. ‘x’. If at the end of the year ‘B’ received...
A and B started a business. After 3 years they received Rs 1245 as profit in which A's share is Rs 720, then find the ratio of investment of A and B.
Mayank and Manoj started a business with investing capital in the ratio of 8:15. After 4 months, Mayank reduced his (1 )/(4 ) portion of the capital and...
Anil started a business by investing some money and Mukesh invested Rs. 10000 more than that of Anil. Anil remained in business for 5 months and Mukesh ...
Ram and Lakhan started a business by investing Rs. 72000 and Rs. 90000 respectively. After 4 months Lakhan withdraws 4/9 of his investment. In 5 months...
A and B together started a business with initial investment in the ratio of 4:5, respectively. The time-period of investment for A and B is in th...
Raj, Sam, and Tina began a business with initial investments in the ratio 6:5:4 respectively. After one year, Tina, Raj, and Sam made additional investm...
