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Start learning 50% faster. Sign in nowThe hardness of water is primarily due to the presence of calcium and magnesium salts, commonly in the form of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3). Therefore, the correct answer is not among the provided options.
Three individuals, P, Q, and R, Jumped on a business venture with initial investments of Rs. 2,400, Rs. 2,700, and Rs. 3,600, respectively. After one ye...
'A' and 'C' started a business by investing Rs. 11,000 and Rs. 13,000, respectively. Seven months later, they invited 'B' to join the business who inves...
P started a business investing Rs.9000. After 3 months, Q joined her with the capital of Rs.12000. After another 6 months, R joined them with the capita...
A, B and C started a business together. The ratio of the investment of A to that of B was 5 : 6 and the ratio of the investment of B to that of C was 12...
A and B invested Rs. 7200 and Rs. 9600, respectively, in a business. B invested his money for 2 months longer than A. If A's share of the total profit ...
A and B started a business by investing Rs.450 and Rs.550 respectively. After 8 months, A increased his investment by Rs.850. Find the ratio of annual p...
‘M’ started a business with an investment of Rs. 4000. After 4 months ‘N’ joins the business with an investment of Rs. 2850. If the total profit...
A sum of ₹4,360 was to be divided among A, B, C, and D in the ratio 3:4:5:8, but it was divided in the ratio 1/3:1/4:1/5:1/8. Was divided by mistake: ...
Sunil and Manoj started a business by investing Rs. 70,000 and Rs. 1,20,000, respectively. Manoj withdraws his investment after some time. If at the end...
A and B started a business with investments in the ratio 4:5 respectively. Find the share of A, if they earned a profit of Rs. 2700.