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Start learning 50% faster. Sign in nowLet the number of bad apples = x Cost price of 360 apples = 800 Selling price (360 - x) apples = 4.5 × (360 - x ) = 1620 – 4.5 x According to the question, 1620 – 4.5 x – 800 = 739 4.5 x = 81 x = 18 Required percent = 18/360 × 100 = 5%
How many words can be formed with the letter of the word ‘NUMBER’ when alll vowels are never together?
Find the number of words that can be formed by using all letters of the word ' PAINTING', if it starts with letter A and end with letter T.
In a group of 9 boys and 5 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
In how many different ways can the letters of the word “INCORPORATION” be arranged so that the vowels comes together?
In how many different ways can the letter of the word ‘PRAISE’ be arranged?
In How many ways can a student choose a program of 5 courses, if 9 courses are available and 2 courses are compulsory for every student?
A man has 15 friends out of which 7 are his relatives. In how many ways can he invite his 9 friends in which at least 5 must be his relatives?
Find the number of words that can be formed by using all letters of the word 'TANGLE', if it starts with letter G and end with letter A.
How many 8 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 1, 2, 4 ?
