City A population is 68000, decreasing at a rate of 80 per
year City B having population 42000 increasing at a rate of
120 per Year. In how many years both the cities will have
same population
Answer Posted / naiyer
68000-80*n = 42000+120*n
68000-42000 = 120n+80n
24000 = 200n
n = 120
| Is This Answer Correct ? | 0 Yes | 4 No |
Post New Answer View All Answers
what is the angle between two hands of a clock when time is 8-30
Can someone please send me the question paper for graduate level both tier 1 and tier 2 with detailed solution of maths exam (Tier 2). Please,suggest me the ways and books to prepare for this exam.Please, send this answer on my email Id
4 men can cross a bridge in 3,7,13, 17 minutes. Only two can cross the bridge at a time. The time taken by the two to cross the bridge is equal to the time taken by the slowest person of the two. Find the minimum time to all of them cross the bridge?
A father is 30 years older than his son however he will be only thrice as old as the son after 5 years what is father's present age ?
If m/n = 5/4 , then 2m+n= ?
One clock ringes 7 O'clock in 7 sec.In how many seconds it will ring 10 O'clock.
Pankaj walks east and turns right and then from there to his left and then 45degrees to his right. In which direction did Pankaj go?
An apple seller is having some apples. He is selling half of the apple what he has plus half the apple to the first customer. In the same way he sells the remaining apple to 7 customers. After selling to 7 customers, he has no apples with him.
Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?
A speaks truth 70% of the times, B speaks truth 80% of the times.What is the probability that both are contradicting each other is ?
Low temperature at the night in a city is 1/3 more than 1/2 hinge as higher temperature in a day. Sum of the low temp and highest temp is 100c. Then what is the low temperature
How many mod 3 counters are required to construct mod 9 counter.
4 cows are there at the four corners of a square. if the radius of the rope is 1 and lenth of one side of the square is 14, find the area along the square which the cow cannot gaze.
A car is filled with four and half gallons of oil for full round trip. Fuel is taken 1/4 gallons mor3 in going than coming. What is the fuel consumed in coming up?
500 men are arranged in an array of 10 rows and 50 columns . ALL tallest among each row are asked to fall out . And the shortest among THEM is A. Similarly after resuming that to their original positions that the shortest among each column are asked to fall out. And the longest among them is B . Now who is taller among A and B ?