For the following questions answer them individually
Ina circle with centre O, AB is a diameter and CD is a chord such that ABCD is a trapezium. If $$\angle$$BAC = $$15^\circ$$, then $$\angle$$CAD is equal to:
The price of sugar is increased by 18%. A person wants to increase the expenditure by 12% only. By what percent, correct to one decimalplace, should he decrease his consumption?
The average marks of 50 students in a class was found to be 64. If the marks of two students were incorrectly entered as 38 and 42 instead of 83 and 24, respectively, then what is the correct average?
A train without stop page travels with an average speed of 70km/h, and with stoppage,it travels with the average speed of 56km/h. How many minutes, does the train stop on an average per hour?
Two articles are sold for ₹10,384 each. On one,the seller gains 18% and onthe other, he loses 12%. Whatis his overall gain or loss?
The table below shows the percentage of students and the ratio of boys and girls in different colleges. Total students = 1800
What is the ratio of boys and girls in the colleges A and B taken together?
The value of $$\sin^2 60^\circ - \cos^2 45^\circ + \sec 60^\circ + \cos^2 40^\circ + \cos^2 50^\circ$$ is equal to: