Answer / ravi

passenger train cross after 4 hrs of starting

but freight train already leaves station before 2 hrs of
passenger train

so the passenger train and freight train speed ratio

passenger train travel hrs : freight train travel hrs = 4:6

passenger train speed in hrs 16km/hr;

then freight train speed = x;

then

4/6 = x/16

then x = 10.66

the freight train speed in hrs = 10.66 km/hr

In a fraction, if 1 is added to both the numerator at the denominator, the fraction becomes 1/2. If numerator subtracted from the denominator, the fraction becomes 3/4. Find the fraction.

0 Answers   TCS,

---

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Frank be in four years?

10 Answers  

---

what is your approach to working under pressure?

8 Answers  

---

The minimum number of digits required to form every number which is greater than 900 and less than 9,000 is:

0 Answers   Wipro,

---

if clouds are air, air are water and so on where birds fly?

19 Answers   Cognizant, Patni, Vision Infotech,

---

In the word ORGANISATIONAL, if the first and second, third and forth, forth and fifth, fifth and sixth words are interchanged up to the last letter, what would be the tenth letter from right?

1 Answers   Accenture, BSNL,

---

Five friends M, K, T, P and N are sitting around a circle facing towards the center. K is sitting between M and P. N is to the immediate right of M. Who is to the immediate right of T? (a) K (b) P (c) N (d) Data Inadequate (e) None of these

4 Answers  

---

There are 12 boys and 15 girls, How many different dancing groups can be formed.

5 Answers   Accenture, CMC,

---

You have two jars, 50 red marbles and 50 blue marbles. A jar will be picked at random, and then a marble will be picked from the jar. Placing all of the marbles in the jars, how can you maximize the chances of a red marble being picked? What are the exact odds of getting a red marble using your scheme?

2 Answers   Altera, Microsoft, SikSoft,

---

In 3.5 Kg rod , there is 74% silver. If it is alloyed with a 0.5 Kg rod, the % of silver goes p to 84%. The percent of silver in 0.5 Kg rod?

3 Answers   Mascot,

---

The price of Machine D equals the sum of the prices of machine A, B and C whose price are in the ratio 2:3:4 respectively. If weights of A, B, C and D varies as square of its individual price and difference of weight of D and A, B and C together is 9880 kg. Then what is the weight of D?

0 Answers   Wipro,

---

There are 9 coins. One of 9 is less weighted and others have equal weighed. Find the minimum no of balances to find the defective coin?

0 Answers   Accenture,

---