Question

1-180
SECTION A
1. Common difference of AP: 7,10,12,15,........is
(a) 1 (b) 2
(c)3 (d)
2. If a = - 18, a, = 0 and n = 10 of an AP, then common difference of the AP is
(a) 1
(b) 2 (c) 3
(d) 4
3. Sum of 12 terms of AP: -37, - 33, - 29, ............ is
(a) - 160
(b)-170
(d) -190
OR
How many terms of the AP: 24, 21, 18,........... whose a, = -12, must be taken se
there sum is 78?
(a) 11 (b) 12 (c) 13 (d) 14
4. Distance between Al 2, 3) and B( 4,1 ) is
(a) V2
(b) 22
(c) 3/2
(d) 3V2
a

Answer 1

Answer:

section a

question number 2 to option b 2