What is the value of 15^2- 14^2 + 13^2- 12^2........-2^2+ l^2?
1.225 2.265 3.120 4.125
A hotel has 10 storeys. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
How much is 3/7 larger than 20 percent of 2
Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color
Two people X & Y walk on the wall of a go down in opposite direction. They meet at a point on one side and then go ahead. X after walking for some time, walks in opposite direction for 15 mtrs.Then again he turns back and walks in the original direction. What distance did Y walk before they met again, if X walks 11 mtrs by the time Y walks 8 mtrs.
In a certain department store, which has four sizes of a specific shirt, there are 1/3 as many small shirts as medium shirts, and 1/2 as many large shirts as small shirts. If there are as many x-large shirts as large shirts, what percent of the shirts in the store are medium? a) 10% b) 25% c) 33% d) 50% e) 60%
A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
A number when divided by 100 leaves a quotient (Q) and a remainder (R). How many three-digit natural numbers are there such that Q + R is divisible by 11?
find missing no 6 7 8 8 8 ?
Distance between two poles is 50 meters. A train goes by 48 at a speed of kmph. In one minute how many poles will be crossed by the train ?
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?
There N stations on a railroad. After adding X stations on the rail route 46 additional tickets have to be printed. Find N and X.
Complete the series..2 2 12 12 30 30 ?