Sony types 350 words in half an hour.How many words would she type in 6 minutes?

How many types of charges are there?

All the letters of the word 'AGAIN' be arranged and the words thus formed are known as 'Simple Words'. Further two new types of words are defined as follows: (i) Smart word: all the letters of the word 'AGAIN' are being used, but vowels can be repeated as many times as we need. (ii) Dull word: All the letters of the word 'AGAIN' are being used, but consonants can be repeated as many times as we need. Q. Number of 7 letter smart words is a. 1500 b. 1050 c. 1005 d. 150

A code word is to consist of two English alphabets followed by two distinct numbers between 1 and 9. For example, CA23 is a code word. How many such code words are there? How many of them end with an even integer ?

The frequency of a source is of sound 40 Hz. How many times does it vibrate in half a minute?

A company manufactures two types of novelty souvenirs made of plywood. Souvenirs of type A require 5 minutes each for cutting and 10 minutes each for assembling. Souvenirs of type B require 8 minutes each for cutting and 8 minutes each for assembling. There are 3 hours 20 minutes available for cutting and 4 hours for assembling. The profit is Rs 5 each for type A and Rs 6 each for type B souvenirs. How many souvenirs of each type should the company manufacture in order to maximise the profit?

How many types of magnets are there?