O is the incentre of ∆ABC and ∠A = 30° then ∠BOC is

The average of five numbers is  27.  If one  number is excluded. The average becomes 25. The excluded number is

Alex sold his goods after announcing two successive discounts of 30% each. The effective discount altogether is-

A man can row $$7{1\over 2}km/h$$ in still water. If a river running at 1.5 km an hour, it takes him 50 minutes to row to a place and back, how far off is the place? 

Directions: The bar graph shows the results of an annual examination in a secondary school in a certain year. Answer the following four questions based on this chart.

The class has the highest number of passed students, is 

9 persons are seated around a round table. What is the probability that two particular persons sit together?

What value will come in place of question mark (?) in the questions given below?

663.48 + 22.51 - 292.63 = ? + 300.44 

If the simple interest on ₹ 1 for 1 month is 1 paisa, then the rate percent per annum will be