- Which term of sequence 20,
19 , 18^ , 17^ ....... Is the first
negative term?
(a) 27th (b) 28th (c) 29th (d) No
such term exists
- In an AP, if sum of first 10
terms is 4 times the sum of first 5
terms, then find ratio of 1st term to
common difference.
(a) 1:2 (b) 1:4 (c) 2:1 (d) 4:1 - If ‘p’ times the pth term of an
AP is ‘q’ times the qth term of the
same AP. Find (p+q)th term
(a) p+q (b) pq (c) 1 (d) 0 - If p, q, r are in AP, then line
px+qy+r=0 always pass through
(a) (1, 2) (b) (2, 1) (c) (1, -2) (d)
(2, -1) - In an AP, mth term is^ and nth
term is , find (mn)th term.
(a) (b) m/n (c) n/m (d) 1
- The value of
.....^
(a)^ (b)^ (c)^ (d)^
- If 1, x, y, z, 1 6 are in GP, then
find x + y + z
(a) 8 (b) 12 (c) 14 (d) 16 - An even number of AM’s are
inserted b/w two numbers whose
sum is^. If sum of means exceeds
their number by 1, find number of
means.
(a) 8 (b) 18 (c) 12 (d) 6- Find 15th term of series
3, 7, 13, 21, 31, 43,.....................
(a) 205 (b) 225 (c) 238 (d) 241 - If a, b, c are in GP, then +
is
(a) (b) (c) (d) - If a, b, c, d are in AP, then bcd,
cda, dab, abc are in
(a) AP (b) GP (c) HP (d) None - The value of 3-1+^ +.........
(a)^ (b) (c)^ (d)^ - If , , are three
consecutive terms of an AP with
common difference d>0, find ‘d’ if
= d+2
(a)^ (b) 0 (c) 1 (d) 2 - If nth term of an AP is (3n+7),
find sum of 50 terms.
(a) 3925 (b) 4100 (c) 4175 (d)
8200 - If =7, find n
(a) 35 (b) 36 (c) 37 (d) 40 - The third term of GP is 4. Find
product of first 5 terms
(a) (b) (c) (d)