Let ABCD be a cyclic quadrilateral such that its diagonals AC and BD are the diameters of the circle through the vertices A, B, C, and D. As... View Article
Answer:Â (c) addition and multiplication This property states that when three or more numbers are added (or multiplied), the sum (or the product)... View Article
Let A = 18° 5A = 90° 2A = 90 - 3A Sin 2A = Sin (90-3A) = Cos 3A 2 Sin A Cos A = 4Cos3 A - 3 Cos A , Cancel Cos A as it is not zero. 2 Sin A... View Article
The significant figures of a number are those which adds the valuable importance to the number. The number of significant figures in 0.06900 is... View Article
Given the expression 6xy-4y+6-9x We have to factorize the above expression Expression: 6xy–4y+6–9x = 6xy–9x–4y+6 Taking 3x common from the... View Article
Additive inverse means the number when added to a certain number we get the sum zero. An additive inverse of a number is defined as the value,... View Article
The first five natural numbers are : 1,2,3,4,5 Mean =Sum of observations / Number of observations (1+2+3+4+5) / 5 = 15/5 = 3 Answer Mean of... View Article
The given statement is False Justification A set of real numbers consist of both rational and irrational numbers. Therefore, every real number... View Article
Answer: The reciprocal of a negative rational number is negative. In Mathematics, reciprocal means an expression which when multiplied by... View Article
Answer: Additive identity is a property of numbers that are applied when carrying out addition operations. It is the number which when added to... View Article
Given that Total journey time = 19 hours The train has completed a 10-hour journey. The average speed of train is 100km/hr. So the total... View Article
A quadrilateral with a pair of parallel sides is known as a trapezium or a trapezoid. The properties of trapezium are listed below The sum of... View Article
The place value of 0 in 103 is given by the product of digits place in the number and the digit. Here 0 is in 10's place in 10. The digit 0 is... View Article
Possible numbers of events on throwing a dice = 6 Numbers on dice = 1,2,3,4,5 and 6 Prime numbers = 2, 3 and 5 Favourable number of events... View Article
The correct answer is (a) 4 The number 144 is a composite and it should have prime factors. Now let us know how to calculate the prime factors... View Article
Answer: The temperature at 12 noon = 10° C above zero The temperature is decreasing at 2° C per hour 8° C below zero = - 8° C So, total fall... View Article
