Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
A person saves Rs. 1000 more than he did the previous year. If he saves Rs. 2000 in the first year, in how many years will he save Rs. 170000?
16 years
17 years
18 years
19 years
Numbers a1, a2, a3, a4, a5, ..., a24 are in arithmetic progression and a1 + a5 + a10 + a15 + a20 + a24 = 225.
The value of a1 + a2 + a3 + a4 + a5 + ... a23 + a24 is
525
725
850
900
Let p be the mean of m observations and q be the mean of n observations, where p ≤ q. If the combined mean of (m + n) observations is c, then which one of the following is correct?
c ≤ p
c ≥ q
p ≤ c ≤ q
q ≤ c ≤ p
If two regression lines are as follows the value of X̅ is
X = 27.2 + 0.64Y
Y = -30.40 + 1.26X
40
20
5
7
What is the value of α (α ≠ 0) for which x2 – 5x + α and x2 – 7x + 2α have a common factor?
6
4
3
2
