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If Rashi’s age be x years, then Shalini’s age be(x-3) years. According to question, => (x – 3)/x = 9/10 => 10x – 30 = 9x => x = 30 Therefore Shalini age = 30 – 3 = 27 years
In how many different ways can the letters of the word ‘PADDLED’ be arranged?
Geography books are always together.
In how many different ways can the letters of the word ‘NATURE’ be arranged in such a way that the vowels occupy only the odd positions?
There are 20 Bikes in the No-Parking zone. On a Particular day, A policeman planned to fine the four bikes of the No-Parking Zone. In how many ways can ...
In how many ways 6 novels and 7 notebooks can be arranged in a row so that they are alternate?
Find the number of words that can be formed by using all letters of the word 'LAPTOP', if order of vowels remains same.
In how many different ways can the letter of the word ‘PRAISE’ be arranged?
Find the no. of words formed by using all the letter of the word DISCOUNT, so that the vowels are never together?
There are 10 members in a delegation which is to be sent at SAARC summit. The total number of members is 18. In how many ways can the selection be made ...
In how many different ways can the letters of the word ‘VARIOUS’ be arranged in such a way that the vowels occupy only the odd positions?
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