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let length be 7x breadth be 5x breadth = 20.5 cm Now, 5x = 20.5 x = 4.1 cm Hence, Length = 7 x 4.1 = 28.7 cm
There are 14 candidates for 5 post. In how many different ways can be post be filled?
In how many different ways can the letters of the word ‘PADDLED’ be arranged?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
In how many ways can 4 boys and 3 girls can be seated in a row so that they are in alternate position.
In how ways can the selection be made so that a particular member is always excluded?
...Nine boys have to stand in a circle. In how many ways they are to be stand on the circumference of circle?
8 students appear in an examination. In how many ways can the result be announced?
In how many ways a Cricketer can make a Double century with fours and Sixes only?
In how many ways can the letters of the word TERRORISTS be arranged by taking 4 letters at a time?
Find the quantity of arrangements of the letters of the word INDEPENDENCE if all the vowels always occur together?
