If a and b are positive integers and (a-b)/3.5 = 4/7, then the relation between a and b is

1247

---

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?

1330

---

In a digital circuit which was to implement (A B) + (A)XOR(B), the designer implements (A B) (A)XOR(B) What is the probability of error in it ?

1532

---

The average of x and y is 6.5. if z=4,what is the average of x,y,z.

1137

---

I HAVE APPLIED RRB EXAM. SO IWANT TO MODEL OUESTION PAPERS (DEGREE)

2162

---

sir , i hv done 85 correct question in ssc cgl-tier-i 2010 after checking through my source which is correct , tell me whether i m eleigible for tier-ii or not charan , jalandhar

2287

---

Two lemons cost 10 cents. Then one and a half dozen cost

1224

---

How many mashes are there in 1 square meter of wire gauge if each mesh is 8mm long and 5mm wide ?

1293

---

Time and speed time and work boat and streams

1512

---

Rahul took a part in cycling game where 1/5 ahead of him and 5/6 behind him then total number of participants?

3605

---

f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, If f(X)-f(X-1)=f(X-8) for X>5 then X= ?

1227

---

Find odd one cat,dog,rabbit,hamster,elk.

1367

---

Average of 5 number is -10 sum of 3 numbers is 16,what is the average of other two numbers?

1134

---

In a soap company a soap is manufactured with 11 parts. For making one soap you will get 1 part as scrap. At the end of the day u have 251 such scraps. From that how many soaps can be manufactured?

1340

---

there are two categories of persons in ratio a:b = 2:3. A type earns 2.5 dollars/hr and b type 1 dollar/hr total money earned by both is 24dollars. Then what is the total number of persons

1276

---