A right angled tringle having hypotenuses 25 cm and sides are in the ratio 3 : 4 is made revolve about its hypotenuse. The volume of the double cone so formed is
A right angled tringle having hypotenuses 25 cm and sides are in the ratio 3 : 4 is made revolve about its hypotenuse. The volume of the double cone so formed is
Which number should be in the place of the question mark in the following?
\(\frac{{\sqrt ? }}{{19}} = 4\)
The length, breadth, and height of a room are 12 m, 4 m, and 3 m, respectively. A man wants to put rods of lengths 14 m, 12 m, 13 m, and 15 m in the room. Maximum number of rods which he can put in the room is
10 women can complete a work in 7 days and 10 children take 14 days to complete the same work. How many days will 5 women and 10 children take to complete the wok?
A student has to secure 45% of marks to pass en examinaon. He gets only 50 marks and fails by 4 marks. The maximum marks is -