2010 Mindtree Placement Paper:

1. Two bulbs of 40 Watt and 60 Watts were added in series . What will happen ? ( 40 watt will be brighter , 60 watts will be brighter , both will have same brightness , none ) ( Ans. 40 watt)

2. If widths of all PMOS an NMOS are doubled in any circuit then what will be effect on noise margin ? ( ans. No effect)

3. If gate and one end of NMOS are connected to Vdd , what will be the output at second end of NMOS ? ( Vdd- Vth – NMOS are bad 1 ‘s)

4. a band limited signal is sampled at Nyquist rate , to reconstruct it the output will be given to : ( RC filter , Envelope detector , LPF with -- )

5. What is expression for Noise figure ?

6. always @ ( B or C) if( B) D=C Circuit will work as ( Mux, Tri state buffer , Latch , None ) ( Ans. --- Tri state Buffer)

7. the sum of 7 consecutive numbers is 1617 then the number of prime numbers in it.(ans:2)

8. in a nock out tournament the total no. of games played are 63 then the no. of participants

9. fresh mango consists of 70% water and dry mango consists of 10% water then 20Kg of fresh mango is equivalent to how much of dry mango

10.the no. of 3 digit numbers which when divide by 7 or 8 gives a reminder of 4

a) 16 b) 17 c) 18 d) 19

11. fresh mangoes have 70% of water in weight, dry mangoes 20% of water in weight. what is the weight of dry mangoes if weight of fresh mangoes is 20kg .ans(d)

a) 6.68kg b) con not be determined c) 6.0kg d)6.6kg

12..total 63 matches are conducted in Knockout match type. How many players will be participated in that tournament?

13.find out next one. B A C B D C E D F ?

14. X is min of { n+5,6-n} then what is the min of X if,0 <1?

15. 2 can type 2 pages in 2 minutes. how many typist can type 18 pages in 6 minutes?

16. Sum of 1 to 100 is divisible by 1. 1,2,4,8 2. 2 & 4 3. 2 4 none

17. How many nos start and end with 2 b/w 100 and 300?

18. If a sphere of dia 3 cm is melted & formed into 3 spheres , the diameter of 1st is 1.5cm and that of second is 2.0 cm ,

what is the diameter of the third?

19. If prizes are increased by 25% , by how much should i reduce the consumption to keep the expenditure same??

20. "COURTESY" - how many words can be constructed with C in the begining and Y at the end