1.
Find the product of the values of the expression 2x² – 2x + 2 when x= -1 and x= 1.
2.
The L.C.M. of two numbers is 525 and the product of two numbers is 2625. Find the H.C.F.
4.
If two numbers are equal, then:
6.
If four seventh of 49% of a number is 35, find the number.
7.
Find the least natural number which when divided by 6, 7, 9, 12 and 18 leaves no remainders.
8.
Find the H.C.F. of 63 and 109.
9.
Which of the following yields maximum interest for 300 months?
10.
Number of terms in the expansion (a + b) (c + d) is ——–
11.
( a – 1 ) ( a² + a + 1 ) = ?
12.
Which of the following pairs of integers have 5 as a difference ?
13.
What should be subtracted from x³ + 2x² -3x +6, so that the difference is a multiple of x − 2 ?
14.
Given that a + b + c = 0, find: √( xa . xb . xc )
15.
What do you call two fractions, whose product is 1 ?
16.
What is the multiplicative identity element in the set of whole numbers?
19.
Find the degree of q[(x³ – x²)²].
20.
4n = 4096, then find 2n – 5.
