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Let the cost price of 1st mobile phone be Rs. ‘x’. Then, cost price of 2nd mobile phone = Rs. (750 – x) x × 120% = (750 – x) × 80% 120x = 60000 – 80x 120x + 80x = 60000 200x = 60000 x = 300 So, cost price of 1st mobile phone = Rs. 300
Annie and Ben entered into a business investing Rs. (x + 80) and Rs. (x – 40) respectively. After one year they invested Rs. 50 more and Rs. 150 more ...
‘A’ and ‘B’ started a business by investing Rs. (x + 200) and Rs. (x – 800) for 8 months and 7 months, respectively. If the profit share of �...
'X' and 'Y' began a partnership with investments of Rs. (x + 600) and Rs. (x + 300) respectively. After 6 months, 'X' added Rs. 800 to his capital, and ...
A and B invested Rs.3000 and Rs.6000 in a business respectively and after 5 months B withdrawn 50% of his initial investment and again after 5 months he...
Armaan, Malik, and Chinky collectively invested Rs. 1.05 lakh in a business. The investment ratios among them are such that Armaan's investment to Malik...
A started a business with an investment of Rs 16,000. After 2 months B joins in with 5/8 of the amount that A invested and A withdraws Rs 4,000. After 2...
P started a business with an investment of Rs.14000, after 6 months Q joined him with Rs.16000 and after another 6 months R joined them with Rs.20000. I...
A, B, and C start a business with investments of ₹12,000, ₹18,000, and ₹24,000 respectively. After 6 months, A withdraws ₹6,000, B adds ₹6,000...
‘A’ invested Rs. 3600 for ‘x’ months while ‘B’ invested Rs. 600 less amount than ‘A’ for (x + 2) months....
