Tech Mahindra Company Numerical Ability Permutation and Combination

In how many different ways can the letters of the word ‘COORDINATION’ be arranged so that the vowels always come together?

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Tech Mahindra Other Question

In a certain store, the profit is 240% of the cost. If the cost increases by 15% but the selling price remains constant, approximately what percentage of the selling price is the profit? 1) 48% 2) 34% 3) 58% 4) 66% Two, trains, one from Bhopal to Kochi and the other from Kochi to Bhopal, start simultaneously. After they meet, the trains reach their destinations after 16 hours and 9 hours respectively. The ratio of their speeds is: 1) 2 : 3 2) 3 : 4 3) 6 : 7 4) 9 : 16