Exams

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?

For what value of k, the expression x6– 18x3 + k will be a perfect square?

If sin 3θ sec 2θ = 1, then what is the value of [3 tan2(5θ/2) – 1]?

Manoj can do a piece of work in 42 hours. If he is joined by Jayashree who is 100% more efficient, in what time they will finish the work together?

The average of marks of 17 students in an examination was calculated as 71. But it was later found that the mark of one student had been wronglyentered as 65 instead of 56 and another as 24 instead of 50. The correct average is

Shampooing is which country's concept?

The "Pradhan Mantri Shram-Yogi Maandhan" scheme was launched on?

Badrinath is situated on the bank of river