The angle of elevation of a ladder leaning against a wall is and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is

The sum of the present ages of a father and his son is 60 years . Six years ago, father's age was five times t...

The sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is -

In a class , the number of girls is 20% more than that of boys. The strength of the class is 66. If 4 more gir...

If x: y =5:2 , then (8x+9y) : ( 8x +2y) is

Two number are in the ratio 3:5 . If 9 is subtracted form each , the new numbers are in the ratio 1223. The sm...

A monkey climbs a 60 m high pole.s In first minute he climbs 6 m and slips down 3 m in the next minute. How mu...