Question
Solve log10(2x) = 1 + log10(x β
3).Solution
2x = 10(x β 3) 2x = 10x β 30 8x = 30 x = 3.75
If A is a 3 Γ 3 matrix such that det (2A) = 64, then det A=?A person 'P' contributes 25% of their monthly income to two NGOs, 'X' and 'Y', in the ratio of 12:15. If the donation amount given to NGO 'Y' exceeds th...
A car covers a distance of 450 km at a constant speed. If the carβs speed had been 15 km/h faster, it would have taken 1 hour less to cover the same d...
A trader buys a stock at an average price of Rs. 240 per share. He sells one-third of his shares at a 10% profit and the remainin...
A can finish a piece of work in 16 days, B in 20 days, and C in 24 days. A begins the work, with B joining after 4 days, followed by C joining 2 days la...
A doctor knows that 90% of patients have flu and 10% have allergy. Rash appears in 8% of flu patients and in 95% of allergic ones. If a patient shows r...
P can do a piece of work in 20 days, Q can complete double the work in 40 days and R can do the work in 30 days. If all of them together earn Rs. 2400, ...
Solve the inequality for x: (x β 4)(6 β x) β₯ 0
The value of 4 sin2 30Λ - tan2 60Λ + sec2 45Λ is equal to -
Let f: [3, β) β R be defined by f(x) = xΒ² β 6x + 11. The range of f is:
