Poles are arranged in straight line with 1 metre gap between them. How many poles will be there in a straight line of 30 metres?
No square of a number ends with:
216, 221, 231, 246, 266, .......
2, 10, 30, 68, .........
Find out the number that comes in the missing position of the following number series-
0,7,26,63,124, -
If 3 +3 = 27; 4+7=84 and 5+7 = 105, then 6+ 7 = ____ ?
A class has R rows of desks with D desks in each row. On a particular day when all the pupils were present, three seats were found vacant. The number of pupils in the class is :
A father tells his son, " I was your present age when you were born." If father is 36 now, how old was the son five years back ?
The average age of a husband and wife was 22 years when they were married five years back. What is the present average age of the family if they have a three year old child ?
In an examination, 40 % students fail in Maths, 30% in English and 15% in both. Find the pass percentage.
A train runs for 2 hrs at the speed of 35km/hr. It runs for 3 1/2 hrs at the speed of 60km/hr and then runs for 2 1/2 hrs at the speed of 70km/hr. Find the average speed of the train :
A 300 m. long train passes a pole in 12 secs. What is its speed in km/hour ?
One- half of the students at an Indian University study German and 1/3 of others study French. The remaining 600 do not study any foreign language. How many students are there in the university ?
If P's and Q's ages add upto 42 and P is 10 years junior to R .Who is 8 years senior to Q . What are the ages of P,Q,R respectively ?
If x means '/',- means x, / means + and + means -, then the value of the expression (3-15 / 11) x 8+6 will be :