$x-\frac{1}{x}=3$ then $x^3-\frac{1}{x^3}=$

The average of 8 numbers is 100. The difference between the two greatest number is 20. Average of the remaining numbers is 85. The greatest number is :

What is the ratio of the base radius and slant height of a cone ,ade by rolling up a sector of central angle 60° ?

The average speed of a car and bus are 80km/hr and 60km/hr respectively. The ratio of times taken by them for equal distance is :

Sum of first n terms of an arithmetic sequence is $5n^2+2n$ What is the 21st term of this sequence ?

A batsman scored 160 runs which includes 15 boundaries and 6 sixes. What percentage of his total score did he make by running between the wickets ?

First step in the project method of teaching is

Which of the following product is the largest ?

Which of the following is true ?

The units digit of $7^{2019}$ is

If the middle number of 25 consecutive natural numbers is 31, then the sum of all those numbers is

A sector of central angle 60° is cut off from a circle of radius 24 cm to form a cone. The base radius of the cone is

The base edges and lateral edges of a square pyramid are equal. If the base edge is 6 cm then the volume of the pyramid is :

Which of the following has maximum area if all have the same perimeter?

The tangents through the ends of two perpendicular diameters of a circle form which of the following quadrilaterals ?

If 1

If the angles of a triangle are in the ratio 30° , 75° and 75° then the sides are in the ratio

If a:b=2:3 , b:c = 4:5 ,c:d = 6:8 , then a:d is

Consider the arithmetic progression 13, 24,35. The ratio of the difference of 20th and 10th terms to the common difference is :

If the perimeter and diagonal of a rectangle are 42cm and 15cm respectively. Then the sides are

Which of the following statement is False ?

The sum of a two digit number and the number formed by reversing the digits is always a multiple of

The algebraic sum of deviations of 30 observations measured from 20 is 3. The arithmetic mean of the observations is

What is the reminder when the polynomial $4x^3+2x^2+x+\frac{1}{2}$ is divided by 2x-1 ?

The area of the ellipse $\frac{x^2}{16}+\frac{y^2}{9}=1$ is

Sector having equal central angle of two circles have arc length 1.28 and 0.32. What is the ratio of their radii ?

The product of which pair of numbers given below is a natural number ?

The coordinates of a point where two lines parallel to the coordinates axes intersect each other is (-6,8). What is the distance of the point from the origin ?

Which among the folowing is a first - degree polynomial x² - 4x + 4 ?

The learning that involves looking back something at a something past experience or idea and critically analysing is

30+4-20÷5+1x10=

3 : 72 : : 4 :

രണ്ടു സംഖ്യകളുടെ തുക 10ഉം ഗുണനഫലം ഇരുപതും ആയാൽ അവയുടെ ക്രമങ്ങളുടെ തുക എത്ര ?

ഒരു ഭിന്ന സംഖ്യയുടെ അംശത്തിനോട് ഒന്നുകൂട്ടി ലഘുകരിച്ചപ്പോൾ 1/2 കിട്ടി. ഛേദത്തിനോട് ഒന്നുകൂട്ടി ലഘൂകരിച്ചപ്പോൾ കിട്ടിയത് 1/3 ഏതാണ് സംഖ്യ?

രണ്ട് സംഖ്യകളുടെ ഗുണനഫലം 216 ഉം ഉ സാ ഘ 6 ഉം ആയാൽ അവയുടെ ല സാ ഗു എത്ര ?

വില കാണുക

$\sqrt{\frac{256}{6400}}\times\sqrt{\frac{25}{7056}}$

The factors of x³-4x²+x+6 is :

If (m-n)²=64 and mn=180, then (m+n)² is

Raju , David andSonu shared a sum of money in the ratio 2 : 5: 7 respectively. David got 750 rupees. How much money did they divide ?

The sum of 3 consecutive odd numbers is 33. Which will be the lease\t number ?

The decimal form of 13/25 is :

The sum of the digits of a two-digit number is 11. The number got by interchanging the digits is 27. more than the original number. The number is :

The coordinates of centre of a circle are (4,3) and radius is 5. (x,y) is a point on the circle. The equation of the circle is :

The sum of the inner angles of a polygon is 5760°.The number of sides of the polygon is :

The third term of an arithmetic sequence is 42 and seventh term is 66. The common difference of the arithmetic sequence is :

What numbers is x if |x+2|=|x-5| ?

Which among the following is a natural number ?

The fractional form of 0.875 is

Which among the following pairs of quantities are proportional ?

Each natural numbers from 1 to 20 is written on paper slips and put in a box. One slip is taken from the box, The probability of getting a prime number is :

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