Expansion and simplification of 8(3h - 4) + 5(h - 2) gives
A square of side 7cmis inscribed in a circle. The area enclosed between the circle and the square is
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Direction: In the following questions, a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as
Assertion : A diameter of a circle is the longest chord of the circle and all diameters have equal length.
Reason : Length of a diameter = radius.
In the given figure, AB = EF, BC = DE, AB ⊥ BD and EF ⊥ CE. Which of the following criterion is true for ΔABD ≅ ΔEFC?
What is the value of p if x-2 is a factor of x2 – 6x + p ?
The degree of the polynomial x4 – 3x3 + 2x2 – 5x + 3 is:
The age of 18 students of a class is reported below. Their modal age is 10, 17, 14, 10, 11, 12, 12, 13, 17, 13, 14, 14, 15, 16, 17, 15, 17, 16
The diagonals of rhombus are 12 cm and 16 cm. The length of the side of rhombus is:
If A = 2n + 13, B = n + 7, where n is a natural number then HCF of A and B is:
A garden roller has a circumference of 4 m. The number of revolutions it makes in moving 40 metres are:
Read the following text and answer the following questions on the basis of the same: Amit has a packet of Candies. It consists of 288 candies. He arranges the candies in a way that first row contains 3 candies, second row has 5 and third row has 7 and so on.
Q. Find the difference in the candies placed in the 10th and 15th row.
Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.
Assertion (A): Sum of all 11 terms of an A.P whose middle most term is 30 is 330.
Reason (R): Sum of first n terms of an A.P is given by l is the middle term
The area of a circle is 38.5 sq. cm. Its circumference is
What is the probability of getting one head and one tail when a coin is tossed 2 times?
Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.
Assertion (A): The roots of the quadratic equation x2 + 2x + 2 = 0 are imaginary.
Reason (B): If discriminant D = b2 – 4ac < 0 then the roots of the quadratic equation ax2 + bx + c = 0 are imaginary.
The nature of the roots of the equation x2 – 5x + 7 = 0 is –
If α, β are roots of the equation x2 + 5x + 5 = 0, then equation whose roots are α + 1 and β + 1 is
The angle of elevation of the top of a tower from two points P and Q at distances of ‘a’ and ‘b’ respectively from the base and in the same straight line with it are complementary. The height of the tower is
The curved surface area of a right circular cone whose slant height is 14 cm and base radius is 21 cm is
If the two zeroes of the quadratic polynomial 7x2 – 15x – k are reciprocals of each other, the value of k is:
In a triangle ABC if ∠A = 53° and ∠C = 44° then the value of ∠B is:
In an AP, if a = 3.5, d = 0, n = 101, then an will be
The product of three consecutive integers is divisible by
Three unbiased coins are tossed. What is the probability of getting at most two heads?
Divide 16 into two parts such that twice the square of the larger part exceeds the square of the smaller part by 164.