|
Find the height of the trapezium in which parallel sides are 25 cm and 10 cm
|
|
1
|
1613
|
June 24, 2019
|
|
A cube and cuboid have same volume. The dimensions of the cuboid are in the ratio 1:2:4
|
|
1
|
2313
|
June 21, 2019
|
|
The last day of the century cannot be Sunday, Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. explain how
|
|
1
|
424
|
June 21, 2019
|
|
If A+B+C=5 and AB+BC+CA=10 then prove that A^3+B^3+C^3 -3ABC =-25
|
|
1
|
1973
|
June 21, 2019
|
|
(x+y)3 + ( y + z)3 + ( z+x)3 - 3(x+y)(y+z)(z+x) = 2 ( x3 + y3 + z3 - 3xyz)
|
|
1
|
1205
|
June 20, 2019
|
|
Three girls Reshma, Salma and Mandip are playing a game standing on a circle
|
|
1
|
2070
|
June 20, 2019
|
|
Factorise: 250(a-b)^3+2
|
|
1
|
1421
|
June 19, 2019
|
|
Prove (a+b+c)^3 - a^3 - b^3 - c^3 = 3(a+b) (b+c) (c+a)
|
|
1
|
2272
|
June 19, 2019
|
|
Discuss the main features of the Purvanchal Ranges of the Himalayas
|
|
1
|
1976
|
June 19, 2019
|
|
If a+b+c = 0, then prove that (b+c)^2 / 3bc + (c+a)^2 / 3ca + (a+b)^2 / 3ab = 1
|
|
1
|
3218
|
June 18, 2019
|
|
If a+b = 12 and ab= 27, find the value of a^3+b^3
|
|
1
|
2380
|
June 18, 2019
|
|
If A,B,C are all non zero and A+B+C = 0 Prove that A2/BC + B2/CA + C2/AB = 3
|
|
1
|
2035
|
June 18, 2019
|
|
Prove that (a+b+c)3 –a^3-b^3-c63= 3(a+b)(b+c)(c+a)
|
|
1
|
1049
|
June 18, 2019
|
|
A circular field has a circumference of 360 km. Three cyclist start together
|
|
1
|
553
|
June 18, 2019
|
|
Factorise: x^3 + 13x^2 + 32x + 20
|
|
1
|
747
|
June 18, 2019
|
|
Represent root 5 on number line
|
|
1
|
1554
|
June 18, 2019
|
|
If a + b + c = 6 and ab + bc + ca = 11, find the value of a^3 + b^3 + c^3 - 3abc
|
|
1
|
1314
|
June 18, 2019
|
|
If a+b+c=5,and ab+bc+ca=10,prove a^3+b^3+c^3-3abc=-25
|
|
1
|
1963
|
June 17, 2019
|
|
Prove that (a+b+c)whole cube - a cube -b cube - c cube = 3(a+b)(b+c)(c+a )
|
|
1
|
13169
|
June 17, 2019
|
|
NCERT Solutions for Class 9 Maths
|
|
0
|
409
|
April 24, 2019
|
|
The blood groups of 30 students of class VIII are recorded
|
|
1
|
1278
|
April 12, 2019
|
|
Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour
|
|
1
|
1250
|
April 12, 2019
|
|
Activity : Ask all the students in your class to write a 3-digit number
|
|
1
|
1690
|
April 10, 2019
|
|
Activity: Note the frequency of two-wheelers, three-wheelers and four-wheelers going past
|
|
1
|
1296
|
April 10, 2019
|
|
The distance (in km) of 40 engineers from their residence to their place of work were found
|
|
1
|
628
|
April 10, 2019
|
|
To know the opinion of the students about the subject statistics, a survey of 200 students
|
|
1
|
1174
|
April 10, 2019
|
|
A teacher wanted to analyse the performance of two sections of students in a mathematics test
|
|
1
|
1567
|
April 10, 2019
|
|
An organisation selected 2400 families at random and surveyed them to determine
|
|
1
|
1463
|
April 10, 2019
|
|
Three coins are tossed simultaneously 200 times with the following frequencies
|
|
1
|
902
|
April 10, 2019
|
|
In a particular section of class IX, 40 students were asked about the month of their birth
|
|
1
|
991
|
April 10, 2019
|