Question
The ratio of the number of English books to Hindi books
in a library shelf is 5:3. If 126 Hindi books are written by Pradeep, which constitutes 30% of the Hindi books, then find the difference between the number of English books and Hindi books in the shelf.Solution
Number of Hindi books = 126/0.3 = 420 Number of English books = 420 × (5/3) = 700 Required difference = 700 – 420 = 280
If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points...
A car covers a distance of 200 km in 4 hours. What is its average speed ?
For a perfectly elastic collision, the coefficient of restitution (eee) is
Which one among the following statements is not true for Mammals?
An object of mass 2 kg is lifted vertically through a distance of 1.5 m. The work done in process is
Which disease is caused by the  Mycobacterium leprae bacteria ?
In Bernoulli's principle, increase in fluid velocity leads to:
Which of the following is used as red pigment in making batteries, lead glass and rust proof primer paints?
Which of the following is Vitamin-E?
Which element has the highest electron affinity?
Relevant for Exams:
