1.
If two numbers are equal, then:
2.
What is the multiplicative identity element in the set of whole numbers?
3.
Which of the following is a perfect square?
4.
40% of 175 + 175% of 60 =
6.
What is the additive identity element in the set of whole numbers?
8.
Which of the following yields maximum interest for 300 months?
9.
What is the smallest positive irrational number?
10.
If a² – b² = 36 and a + b =4, then (a – b)² =———-
11.
Find the degree of (x² – x )²
12.
A 240 m long train running at 72 km/h crosses another train coming from opposite direction at a speed of 90 km/h in 12 seconds. Find the length of the other train.
13.
Given that a + b + c = 0, find: √( xa . xb . xc )
14.
Find the H.C.F of (18p²qr³), (24pq²r) and (27 p³qr²).
15.
The expanded form of (x + y ) (x – y) is a :——
16.
B can do three – fourth of a work in 6 days and A can do half of the same work in 4 days. In how many days can both A and B can do the same work?
17.
What distance will a train cover in 1.2 minute travelling at 72 km/h ?
18.
Find the least natural number which when divided by 6, 7, 9, 12 and 18 leaves no remainders.
19.
Which of the following sets is not closed under subtraction?