‘A’ alone can complete a work in 30 days. ‘B’ alone can complete the same work in 40 days. If ‘A’ and ‘B’ work together for 6 days, then...
A solid cylinder has a radius of 3 cm and a height of 10 cm. If it is melted and recast into a cone with a base radius of 3 cm, what will be the height ...
Let A be a 3×3 matrix such that AT =−A and all diagonal entries are zero.
Which of the following is always true ?
A man drives at a steady speed of 75 km/h for 4 hours, followed by another stretch of 3 hours at a consistent speed of 40 km/h. What is his average spee...
Solve the equation:sin(x) + cos(x) = 2·sin(x + α). Then the value of α is:
If f(g(x))= x, where f and g are inverses of each other and f’(x) = 1/(1+x ² ), then g’(x) equals:
The value of tan 225° is same as the value of:
A person has ₹30,000 to invest in two different schemes. If he invests ₹15,000 in Scheme A at 8% simple interest and the remaining in Scheme B at 10...
The compound interest accrued after 2 years on an investment of Rs. 'x' at an annual interest rate of 20%, compounded annually, a...
Which of the following functions is not one-one?
