"Education-Instruction-Inspiration"
Name of Section:
DBBL Probationary Officer-2011
1.
To reproduce an old photograph, a studio change Tk. z to make a negative Tk. 0.6z for each of the fist 10 points and Tk. 0.2z for each print in excess of 10 prints. If Tk. 45 is the total change to make one negative and 20 prints from an old photograph then what is the value of z?
[DBBL Probationary Officer-2011 : 2011]
Answer
2.
In a departmental store, notebooks that are normally sold for Tk. 59 each are on sale at 2 for Tk. 99 How much can be saved by purchasing 12 of these notebooks at the sale price?
[DBBL Probationary Officer-2011 : 2011]
Answer
3.
If the average of 5 consecutive integers is 13 them what is the sum of the least and the greatest of the 5 integers?
[DBBL Probationary Officer-2011 : 2011]
Answer
4.
The average of a set of 12 number, which includes 34 is removed from the set and 38 is included to the set, what is the average of the new set of number in terms of A ?
[DBBL Probationary Officer-2011 : 2011]
Answer
5.
Streets A, B, and C are straight and level, and they intersect to from a triangle. If streets A and B intersect at a 60° angle and if street C is perpendicular to street B, at what acute angle do street A and C intersect?
[DBBL Probationary Officer-2011 : 2011]
Answer