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Let the total work = 24 units Efficiency of horse who can complete the work in 8 hours = 24/8 = 3 units/hour Efficiency of horse who can complete the work in 12 hours = 24/12 = 2 units/hour Therefore, time taken by both horses to complete the work together = 24/(3 + 2) = 4.8 hours Therefore, time taken by the elephant to complete the work = 4.8 hours
120×27÷4-10% Of 370 = ?
If (3/7) of 'x' is greater than (2/11) of 'x' by 38, then determine the value of 'x'.
A person borrows ₹5000 at 12% per annum simple interest. He repays ₹3200 at the end of 2 years. How much does he still owe after 2 years?
Evaluate: 1 + tan²(cos⁻¹x)