1.
Fill in the blanks: Compound interest for nth year is equal to the simple interest on the amount of …………th year?
2.
The corresponding altitudes of two similar triangles are 2.1 cm and 3.5 cm respectively. Find the ratio of their areas.
3.
Without using tables, evaluate: cosec (75 + θ) – sec (15 – θ) – tan (55 + θ) + cot (35 – θ)
4.
In a quadratic equation ax² + bx + c = 0, b² − 4ac < 0, then:
5.
Can a : b be converted to b : a, anyway?
7.
Total surface area of hemisphere is :
8.
The quotient of two irrational numbers can be a rational number.
9.
5.63256565656 …….. is:
10.
Both sides of an inequation are positive or both sides are negative. If reciprocal of both sides are taken, the inequality sign :-
11.
Which of the following is the relationship among mean, median and mode?
12.
It is possible to have ratio as 3 : 0 or 0 : 3
13.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.
15.
A non-recurring non-terminating decimal number is always :
16.
The quotient of two irrational numbers can be a rational number.
17.
Find the quadratic equations whose zeroes are −½ and ⅔.
18.
A set of all the values of ‘x’ in the replacement set which satisfy the given inequation is known as:
19.
Sub-duplicate ratio of m² : n² is:
20.
A set from which all the values of 'x' are chosen is known as: