In a crossword puzzle `10` words are to be guessed of which `5` words have each an alternative solution also. No. of possible solutions is

In a crossword puzzle 10 words are to be guessed of which 5 words have each an alternative solution also. Number of possible solutions is a

In a cross word puzzle 25 words are to be gussed of which 5 words have each an alternative solution also . The number of possible solutiions is

Cross word puzzle : Across , Centre of the sphere from which the mirror is made.

Form a linear equation and a word problem with solution 12.

Cross word puzzle : Across ,Image which cannot be formed on a screen.

Cross word puzzle : Across ,Image which can be formed on a screen.

Formulate a linear equation and a word problem, each with solution 18.

In each of the following questions, there is certain relationship between two given words on one side of (::) and one word is given on another side of (::) while another word is to be selected from the given alternatives having the same relationship with the word, as the words of the given pair bear. Choose the correct alternative. Cobbler : Leather :: Carpenter : ?

Solve each pair of the following simultaneous linear equations by drawing graphs of these equations which have only one solution. Also find three sets of solutions of those pair of equations which have infinitely many solutions : x-y=3, x/5-y/5=3