The fractions with the same denominator are called____?
Fractions with the same denominators are called like fractions . To add fractions with like denominators , add the numerators... View Article
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Show that every positive integer is either even or odd.
Let us assume that there exists the smallest positive integer that is neither odd nor even, say n. Since n... View Article
A bag contains 5 red balls and some blue balls, if the probability of drawing a blue ball is double that of a red ball, then find the number of blue balls in the bag.
Let number of blue balls be x. Red balls are 5. Total balls = 5 + x P(E) = (Number... View Article
Convert a speed of 54 km per hour into metre per second
Answer: A kilometre is a unit of distance in the International System of Units (SI). It is denoted by km.... View Article
Find the square root of 2304 by division method
We get a remainder 0 and quotient as 48 using division method. This shows that √2304 = √48 Hence, the... View Article
Write the product of the smallest 2 digit number with the greatest 5 digit number
The smallest two-digit number is 10. The largest 5-digit number is 99999. according to question, Their product = 10 ×... View Article
Find the largest number which divides 70 and 125 leaving remainders 5 and 8 respectively
Answer: According to the given details We have to find the largest number which divides 70 and 125, leaving remainders... View Article
Find the square root of 9604 by prime factorization
Answer: Prime factorisation is a method to find the prime factors of a given number, say a composite number. These... View Article
Simple interest on an amount at 4% per annum for 13 months is more than the simple interest on the same sum for 8 months at 6% per annum by rs 40. what is the principal amount
We have to find the principal amount. Interest for 13 months at 4% Interest per year = 4 % interest... View Article
If A and B are complementary angles, then (a) sin A = sin B (b) cos A = cos B (c) tan A = tan B (d) sec A = cosec B
Given that A and B are complementary angles A + B = 90° A + B = 90° A =... View Article
Find the greatest 4 digit number which is a perfect square
Answer: An integer that can be expressed as the square of another integer is called a perfect square. In other... View Article
Find the square root of 9801 by long division method
Find square root of 9801 by long division method Group the digits into pairs For digits to the left of... View Article
24:50::102: __ Find the number.
Answer: Step 1 : add 1 to the number 24. 24 + 1 = 25 step 2 : Then, the... View Article
Find the value of the polynomial 5x – 4x2 + 3 at (i) x = 0 (ii) x = -1 (iii) x = 2
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
What are the factors of 216 and 215?
Factors of 216: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, and 216.... View Article
Find the prime factorisation of 980.
The prime factors of the number 980 factors = 2 x 2 x 5 x 7 x 7 = 980.... View Article
If one of the zeros of the quadratic polynomial (k-1) x2 + kx + 1 is -3, then find the value of k.
A quadratic equation is an equation of degree 2, meaning that the highest exponent of this function is 2. The... View Article
A coin is tossed three times. What is the probability of getting at least one tail?
To find the probability of getting at least one tail in Tossing a coin three time,let the event is A... View Article
Two wires of the same material and same length but diameters in the ratio 1: 2 are stretched by the same force. The potential energy per unit volume of the two wires will be in the ratio
it is given that, both wires are made by same material, length of wires are same and also same force... View Article
The difference of squares of two numbers is 180. The square of the smaller number is 8 times the larger number. Find the two numbers.
Let the larger number is taken as = x Then the square of the smaller number = 8 times the... View Article
