Question
Sudeep and Sandeep invested in a partnership,
contributing their capitals in the ratio of 16:19. They invested for periods of 5 months and 7 months, respectively. If the total profit from the business was Rs. 8520, what is the difference between their shares of the profit?Solution
Ratio of investment of Sudeep to Sandeep = (16 × 5):(19 × 7) = 80:133 Profit share of Sudeep = 80/213 × 8520 = Rs. 3200 Profit share of Sandeep = 8520 – 3200 = Rs. 5320 Desired difference = 5320 – 3200 = Rs. 2120 Hence, option b.
Select the number from among the given options that can replace the question mark (?) in the following series.
64, 60, 52, 40, ?, 4
12, 24, 72, 288, 1440, ?
14Â Â Â Â Â 15Â Â Â Â Â Â Â 32Â Â Â Â Â Â 99Â Â Â Â Â Â 400Â Â Â Â Â Â ?
...3 2 2 3 8 ?
...12, 23, 68, 271, 1354, ?
Compute Σ (1 / (k(k+1))) from k = 1 to 10.
25 30 300 315 6300 ?
...If      3   2    1    x      4     12.5,
then,  (x²-1) (x²+1) = ?
...15     12    ?     9     21     6
...21     84      168      172     ?     348
...
Relevant for Exams:
