The average mark of 40 students in the class 8 mathematics test was 70. It was later found that the marks of two students had been wrongly entered as 47 instead of 74 and 46 instead of 64. What is the correct average?

A sphere of surface area 500𝝅 square centimeters is cut into two equal hemispheres. The surface area of each hemisphere in square centimeters is

In the figure the coordinates of the endpoints of a line are given. The point P divides the line in the ratio 2:3. The coordinates of P are:

The equation of a line with slope 2/3 and passing through (3, - 2) is :

A quadrilateral is given in the figure. The length of one diagonal is 16 centimeters and the lengths of the perpendiculars from the opposite vertices to that diagonal are 9 centimetres and 7 centimetres. The area of the quadrilateral in square centimeters is :

In the figure P and Q are mid points of AB and AC respectively. The perimeter of triangle ABC is:

A courtyard is 16 metres long and 8 metres broad. How many square tiles of side 40 centimeters are required to pave the courtyard?

Which among the following is a natural number?

Observe the picture of a hall. It has been divided by a line. One part of the hall is a stage of length x and breadth y. The remaining area of the hall is a square. What is the total area of the hall?

In the figure, APCB is a trapezium. AF is parallel to BC. The diagonals of the trapezium divide it into four parts. The areas of two parts are given as 45 and 15 sq. units. The area of the trapezium in sq units is:

The 6th term of an arithmetic sequence is 24 and the 8th term in 34. What is the sum of the first 13 terms of the arithmetic sequence?

The base radii of two cones are in the ratio 5:3 and their heights are equal. If the volume of the first cone 750𝝅 cu centimeters, then what is the volume of the second come cu. centimeters?

A rectangle has a perimeter 64 centimeters. Its length is represented by 4x + 6 and breadth by 3x - 2 What is its length and breadth in centimeters?

The sum of inner angle of a regular polygon is 1800°. The measure one inner angle of polygon is

Which among the following quadratic equation has no real solution?

A metallic cylinder of base radius 6cm and height 16cm is melted and recast into spheres of radius 3 cm. The number of spheres that can be made is

Which among the following fractions are in between 2/5 and 4/7 ?

The sum of the factors 12 is equal to

A square pyramid of base edge 10 centimeters and slant height 12 centimetres is made of paper.What are the lengths of the edges of the lateral face in centimetres?

A number is first increased by 20% and then decreased by 20%. What is the net increase or decreased in the original number?

The algebraic form of an arithmetic sequence 4n + 3 The sum of the first 20 terms of this sequence is

The lengths of the adjacent sides of a parallelogram are 5 centimetres and 12 centimetres. The length of one of its diagonals is 13 centimetres. The area of the parallelogram is :

In the figure of the trapezium a =8 cm, b = 14cm h = 6cm what is its area ?

If m + 1/m = 4 then what is m³ + 1/m³

The decimal form of 1/2 + 1/4 + 1/8 + 1/16 is :

The weight (in kilogram) of 8 students in a class are given as 56, 48, 53, 55, 49, 52, 46 , 57. The median weight of the students is

A rectangular box is of length 3 metres, breadth 2 metres and height 1 metre. How many bricks of length 30 centimetres , breadth 20 centimetres and height 10 centimetros will exactly fill the box?

Four friends A, B, C and D started a business and earned a profit of Rupees 30,000. They shared it according to their investment. A, B, C and D had invested in the ratio 2:5:4:3 What is the profit share of A and B together?

The perimeter of an equilateral triangle is 24 centimetres. Its area in square centimetres is

The surface area of a cube is 216 sq centimetres. Its volume in cu. centimetres is :

The coordinates of the centre of a circle are (2,5) and the centre passes through (8,13). The area of the circle in sq. units is :

Find forth term in the expansion of (x-2y)¹²

Find the coefficient of x⁵ in (x+3)⁸

ഒരു ക്രിക്കറ്റ് കളിക്കാരൻ 4 കളികളിൽ നിന്നും തേടിയത് 6, 50, 20, 24 റൺസുകളാണ് എങ്കിൽ അയാളുടെ ശരാശരി റൺസ് എത്രയാണ്?

ഒരു ടാങ്കിൽ 3/5 ഭാഗം വെള്ളമുണ്ട്. 80 ലിറ്റർ വെള്ളം കുടി ഒഴിച്ചപ്പോൾ ടാങ്ക് നിറഞ്ഞു. എങ്കിൽ ടാങ്കിൽ ആകെ എത്ര ലിറ്റർ വെള്ളം കൊളളും?

2 ൽ നിന്നും എത്ര കുറച്ചാൽ 0.99 കിട്ടും?

400 രൂപ വിലയുള്ള സാധനത്തിന് 12% ലാഭം ലഭിക്കണമെങ്കിൽ എത്ര രൂപയക്ക് വിൽക്കണം?

108 കിലോമീറ്റർ/മണിക്കൂർ ശരാശരി വേഗതയിൽ സഞ്ചരിക്കുന്ന ഒരു ട്രെയിൻ ഒരു മിനിറ്റുകൊണ്ട് എത്ര ദൂരം സഞ്ചരിക്കും?

135, 75, 90 എന്നീ മൂന്ന് എണ്ണൽ സംഖ്യകളെയും പൂർണമായും ഹരിക്കാൻ കഴിയുന്ന ഏറ്റവും വലിയ എണ്ണൽ സംഖ്യ

8.5 × 6.3 =K ആയാൽ, K യുടെ വില എന്ത് ?

തന്നിരിക്കുന്ന സംഖ്യകളിൽ ഒറ്റയാൻ ആര് ?

18 - 4 x 8 ÷ 2 =

ഇരുപതിന്റെ 40% വും 50 ന്റെ 30% കൂട്ടിയാൽ കിട്ടുന്ന സംഖ്യ ഏത് സംഖ്യയുടെ 50% ആണ് ?