1. log( X**3 + Y**3) where x=3/4 y=1/4
log(3) , log(7) & log(2) is given ...

ans:-0.385
 

2 last question of paper ..
sum of money of A & B =Rs.10
diffrence of A + B = Rs.9

ans : 50 pesa

 

3. one paper is equlely folded 50 times...
what is new thikness of paper..


ans: 2**50


4. connect nine point without take-off pen & without overlapping line segment
1 2 3 4
* * * 5
* * * 6
0* * * 7

ans: start with 0 to 1 to 7 to 0 to 4 .

5. make four equle parts..

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hint : repeat same shape in it.

6. A room is 30 X 12 X 12. a spider is ont the middle of the samller
wall, 1 feet from the top, and a fly is ont he middle of the opposite wall
1 feet from the bottom. what is the min distance reqd for the spider to
crawl to the fly.

7. A man while going dowm in a escalator(which is miving down) takes 50
steps to reach down and while going up takes 125 steps. If he goes 5 times
faster upwards than downwards. What will be the total no of steps if the
escalator werent moving.

8. 2/3 of corckery(plates) are broken, 1/2 have someother thing(handle)
broken , 1/4 are both broken and handle broken. Ultimately only 2 pieces
of corckery were without any defect. How many crockery were there in
total.

9.
___________________________________________________
___|___ ___|___ ___|___ |
| | | | | | |
| |__ | |___ | |___ |
|_______| | |_______| |__not_ |_______| | |
| | | |
|_____________________|_____________|____and_|___

boxes are negative edge triggered flip flops and 'not' and 'and' are
gates. What is this figure.
ans- modulo-5

10.
It is difficult to draw a figure but another question was in which some
NAND and OR gates were given.
ans - Z = true.