Answer Posted / chinmaya panda

let the width of rectangle be x
so the length & breath is increased by 2x(draw on a paper
then only u'll understand)
so new total area along with walkway is (60+2x)*(20+2x)
so (60+2x)*(20+2x)-60*20=516
=>(60+2x)*(20+2x)=1716
=>(30+x)*(10+x)=429=33*13
=>x=3
which is da width of gateway

the sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?

1105

---

Now i am doing RHCE (Red Hat Certified Engineer). Please give some interview questions of linux.

3190

---

Find the correct meaning of the following phrase: To be in the air

1175

---

If it takes five minutes to boil one egg, how long will it take to boil four eggs?

1403

---

A rectangular tank can hold m litres of milk. Find how many litres of milk can a tank hold when all its dimensions are doubled?

1128

---

In a car wheel, two spokes cover 15 degree. Then for the entire car,how many spokes are there?

1203

---

The sum of the two numbers is 45 & difference of 2 numbers is 675. Find the number ?

1446

---

If 12 box containers require 18 feet of wall space, how many feet of wall space will 30 box containers require?

1635

---

What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12

1104

---

what can you contribute to the fiscal commission?

2009

---

starting from 2 upto how many numbers we need to check whether 907 is prime or not?

1818

---

electrical question in diploma level

7746

---

Find the next series: AA AB BC CE ?

1246

---

Express 16 m/s into Km/hr

1249

---

one answer is 200/3 % it is perfectly correct wecannot recollec the prob. so place it blindly.

1211

---