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Start learning 50% faster. Sign in nowThe word "HATE2023" has a total of 8 letters. To form a 3-letter word, we need to select 3 letters from these 8 letters. This is a combination problem. Number of combinations = nCr = n! / (r! * (n - r)!) Number of combinations = 8! / (3! * (8 - 3)!) Number of combinations = (8 * 7 * 6) / (3 * 2 * 1) Number of combinations = 56 So, there are 56 different 3-letter words that can be formed using the letters from "HATE2023".
Total population of city P and Q is 4420 and 5940 respectively. If the ratio of number of males to females in city is P and Q is 8:5 and 5:4 respectivel...
The ratio of zinc and copper in a brass pieces is 4:7. How much zinc will be there in 110 kg of such a piece?
The monthly incomes of Vishal and Rahul are in the ratio 7:6. Their combined monthly income is Rs. 6500. Rahul's monthly savings are Rs. 1200, and Visha...
Find the third proportion of √ 2, √ 7 and √ 21.
If the mean proportion of 0.54 and 0.24 is 'x', then find the third proportion of (x + 8.64) and (2x + 5.28) .
Two numbers are respectively 30% and 40% more than a third number. Find the ratio of two numbers.
The current heights of A, B, and C are in the ratio of 10:12:15. After one year, the height of A increases by 20%, the height of B increases by 33(1/3)%...
Two numbers are respectively 40% and 70% more than a third number. Find the ratio of two numbers.
There are 108 rupees in a box which contains coins of 1 rupee, 50 paise, and 25 paise. If the number of 50 paise coins is 3 times the number of 25 paise...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 2 : 3 : 4 : 5. if the loss i...
