2.
To construct a rectangle, you must have one side and :
3.
Is it possible to have product of sum and difference of two numbers as −33? If yes, find the difference of the two numbers.
4.
Subtract 3x – 2y + 7 from the sum of 6 – 3y + x and y + 2x + 1.
5.
Simplify: ½ √(6² + 8²) + ³√343
6.
First ten Natural numbers and First ten Whole numbers are same.
7.
What the point of intersection of the altitudes of a triangles called ?
8.
HCF of two consecutive EVEN NUMBERS is .
9.
Rearrange the digits of 1,02,35,007 to get the largest and the smallest number. The difference between the place values of 2 in these two numbers is :
10.
Find the HCF of first sixteen even multiples of 17.
11.
What is the unit's digit of the product of all prime numbers between 1 and 100 ?
12.
Using Vedic math, find the square of 9984.
13.
Which of the following numbers lies in the middle of 3/4 and 7/4 ?
14.
The sum of eleven lakh, eleven thousand, eleven hundred and eleven.
15.
In a vulgar fraction, which can be the denominator?
16.
3a : 4b : 6c , Find a : b : c
17.
If 'n' is a natural number then n(n+1)(n+2) is always divisible by :
18.
Each interior angle of a polygon is 135 degree. How many sides does it have ?
19.
The area of a rectangle is 80 sq. m and its one side is 8m. Find the area of the square with perimeter equal to the given rectangle.
20.
Factorise: 243a4 – 48 b4.