Quantitative Ap...

Small spheres, each of radius 4 cm, are made by melting a solid iron ball of radius 16 cm, then the total number of small spheres is:

Ram by bus takes double the Time taken by train to travel from Bangalore to Chennai. What is the Speed of the train if the Speed of the bus is \(40\) km/hr.

In how many different ways can the letters of the word BOOKLET be arranged such that B and T always come together?

In a class of 100 students, 35 like science and 45 like math. 10 like both. How many like either of them and how many like neither?

The ratio of cost price of two articles is \(4: 9\). The articles are marked up by \(40 \%\) and and \(15 \%\) respectively and the ratio of their Marked price is \(112: 207\). If the discount of \(12.5 \%\) and \(11.11 \%\) is given respectively the profit earned on first article is Rs. 270 . What is the profit earned on the second article?

If \(x=\tan ^{-1}(\frac{1 }{5})\) then \(\cos 2 x\) is equal to?

In an examination \(80 \%\) candidates passed in English and \(85 \%\) candidates passed in Mathematics. If \(73 \%\) candidates passed in both these subjects, then what per cent of candidates failed in both the subjects?

A sum of Rs. 120 was distributed among A, B and C. Who among the three got the highest share?

Statement I : The share of A was one - third of the share of B and C together.

Statement II : The share of C was 60% of the sum of the share of A and B together.

A train can cross a 600 meters platform in 30 seconds. What is the length of train?

Statement I : A man running at the speed of 20 meters per second in the opposite direction of train can pass the train completely in 6 seconds.

Statement II : The train can pass a boy standing on the platform in 10 second.