Answer Posted / ganesan
Formula = n *(n+1)/2
= 50 * (50 + 1)/2
= (50 * 51)/2
= 1275
| Is This Answer Correct ? | 3 Yes | 30 No |
Post New Answer View All Answers
one question has last part like difference between two terms is 9 and product of two numbers is 10, what is the squares of sum of numbers?
If VXUPLVH is written as SURMISE, what is SHDVD?
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train?
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is?
quants,logical,verbal
15 lit of water containing 20 % of alcohol ,then added 5 lit of water .What is the % of alcohol?
There are two glasses, one is filled with orange juice and other is filled with apple juice both in equal quantities say 50 50 ml. 50% orange juice is poured in apple juice and than the 50% mixture of orange and apple juice is poured in the glass of orange juice. Now you have to find out how much orange juice is there in apple juice glass and vice-versa.
Here are 140,0000 pencils out of which 80 % of pencils have average length of 5 inch. What will be the total length, if they are kept one over another? What will be the distance in miles?
A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his fathe falling in the river.After 5 min. he tells his father that his hat has fallen. So they turn round and are able to pick the hat at the point from where they began boating after 5min. Tell the speed of river?
if area is icc. by 30% then what is the change in the area?
A person was fined for exceeding the speed limit by 10 mph.Another person was also fined for exceeding the same speed limit by twice the same. If the second person was travelling at a speed of 35 mph. find the speed limit
The time showed by an analog clock at a moment is 11 am then 1234567890 hours later it will show the time as:
If 8 men are required to complete a work in 6 days, how many men will be required to complete the same work in ½ day?
A car is filled with four and half gallons of fuel for a round trip.If the amount of fuel taken while going is 1/4 more than the amount taken for coming, what is the amount of fuel consumed while coming back?
Find the next letter in the series B,F,J,P ---