1.
If two numbers are equal, then:
2.
Simplify 29 x 76 – 71 x 29
3.
(2x − 6y)² – (6y + 8x)²= ?
4.
What is the additive identity element in the set of whole numbers?
5.
What is the multiplicative identity element in the set of integers?
6.
Period of the decimal 2.3636363……. is :
7.
What do you call two fractions, whose product is 1 ?
8.
Find the degree of q[(x³ – x²)²].
9.
Given that a + b + c = 0, find: √( xa . xb . xc )
10.
A train covers the distance between two cities in 12 hours. How much time will a car take which has an average speed of 1.2 times that of the train .
11.
If a² – b² = 36 and a + b =4, then (a – b)² =———-
12.
If x% of 2.4 is 18/25, then find x.
13.
If the sum of two integers is − 35 and one of them is 17, then find the other integer.
14.
Which of the following yields maximum interest for 300 months?
15.
If it is given that xyz = 0, Find: (ax)yz + (ay)xz + (az)xy
16.
Which of the following is a perfect square?
17.
Which of the following sets is not closed under subtraction?
18.
If x and y are the smallest and the greatest four digit numbers formed by using 1, 5, 0 and 9, then find y – x.
19.
The L.C.M. of two numbers is 525 and the product of two numbers is 2625. Find the H.C.F.
20.
If 496 x 492 = x² – 4 (x>0), then x=——–
