1.
After how many decimals will a fraction with denominator 320 will terminate?
2.
In logarithms, which of the given options is true?
3.
If the quadratic x2 + ( a – 4 ) x + ( a + 4 ) is a perfect square, then a = ________
4.
If x° is the measure of an angle which is equal to its complement and y° is the measure of an angle which is equal to its supplement. Find the x° + y°.
5.
For an equation ax² + bx + c = 0, the discriminant (D) ≥ 0, then:
6.
'x' is an integer satisfying 1 ≤ 2x + 3 ≤ 7. How many values there can be?
7.
What should be subtracted from x³ + 2x² -3x +6, so that the difference is a multiple of x − 2 ?
8.
³√5 is an irrational number as well as a surd. State true or false.
9.
The ratio between the exterior angle and the interior angle of a regular polygon is 1 : 3. Find the number of the sides of the polygon.
10.
Find the ratio of the circumference of the circle and the length of the arc of the sector of a circle having angle 72º.
11.
Given that a + b + c = 0, find: √( xa . xb . xc )
12.
Which of the given options is a similar surd?
13.
What are common measures of central tendency?
14.
In a polygon, the greater angle is 110° and all the angles are distinct but equal in degrees. Find the maximum number of sides it can have.
15.
If 64 > x³, then the greatest possible integer value of x is :
16.
Which of the following is different from a line ?
17.
x144 – y144 is always divisible by
18.
Total surface area of hemisphere is :
19.
What is the maximum number of rational numbers between two rational numbers ?
20.
Four non-collinear distinct points are given in a plane. How many straight lines can be drawn passing through at least two points ?