The largest natural number which exactly divides the product of any four consecutive natural numbers is

₹12,000 is lent for one year t the rate of 15% per annum, the interest being compounded annually. If the compounding of the interest is done half- yearly, then how much more interest will be obtained at the end of the one-year period on the same initial sum?

The average monthly expenditure of a family for the first four months is ₹ 2570, for the next three months ₹ 2490 and for the last five months ₹3030. If the family saves ₹ 5320 during the whole year, the average monthly income of the family during the year is-

A student was asked to find 3.5% of an amount, he mistakenly found 5.5% which was Rs.220, what would be the correct answer?

At a construction site, 200 workers were working on a building which is scheduled to end within 250 days. After 30 days, 20 workers leave the job. How many more days will it take to complete the work? 

When (6767 +67) is divided by 68, the remainder is-

The following bar graph shows the number of students who like four different colours.

If 2sinθ+cosθ= $${7\over3}$$ then the value of (tan²θ-sec²θ) is