In recent survey of the student of a public university . It is found that 65% students are good in Mathematics and 45% students are good in Mathematics and 45% students are good in Statistics. How many students are good in both Mathematics and statistics of the public university?
Naizel is twenty years older than Nekata . In three years Naizel will be twice as old as Neketa will be. How old is Neketa now?
A wall 8m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm × 6 cm The number of bricks required is
The length of a rectangle is increased by 25% .By what percentage should the width be decreased so that the area of the rectangle remains unchanged?
The average age of 12 children is 15 years. If another child comes the average age comes to 13. what is the age of the new child?
A train 150 meter long and running at a speed of 60 km per hour takes 30 seconds to cross a bridge. What is a length of the bridge?
Find the vlue of n if 27 n-13=243
5-3+5-3+5-3+5-3+5-3=?
If the difference between the circumference and diameter of a circle is 60 cm. then the radius of the circle is
By selling a bicycle for TK. 2,850,a shopkeeper gains 14% . If the profit is reduced to 8% ,then the selling price will be