A. 216
B. 243
C. 215
D. 729
Explanation:
Since each ring consists of six different letters, the total number of attempts possible with the three rings is = 6 * 6 * 6 = 216. Of these attempts, one of them is a successful attempt.
Maximum number of unsuccessful attempts = 216 – 1 = 215.
Related Mcqs:
- How many 4-letter words with or without meaning, can be formed out of the letters of the word, ‘LOGARITHMS’, if repetition of letters is not allowed?
A. 40
B. 400
C. 5040
D. 2520 - Six points are marked on a straight line and five points are marked on another line which is parallel to the first line. How many straight lines, including the first two, can be formed with these points?
A. 29
B. 32
C. 55
D. 30 - How many three letter words are formed using the letters of the word TIME?
A. 12
B. 20
C. 16
D. 24 - A trader marked the price of a car 20% above the cost price and allowed the purchaser 5% discount on the marked price there by gained Rs.8400. Find the cost price of the car?
A. Rs.60000
B. Rs.75000
C. Rs.68400
D. Rs.78400 - A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V?
A. Rs.2250
B. Rs.2000
C. Rs.2150
D. Rs.2200 - After allowing a discount of 15% on the marked price, the selling price is Rs. 6800 for an article. If it was sold at marked price, there would have been a profit of 60%. The cost price of the article is?
A. Rs. 6400
B. Rs. 5600
C. Rs. 5000
D. Rs. 4800
E. None of these - Kabir buys an article with 25% discount on its marked price. He makes a profit of 10 % by selling it at Rs. 660. The marked price is :
A. Rs. 600
B. Rs. 700
C. Rs. 800
D. Rs. 685 - The marked price is 10% higher than the cost price. A discount of 10% is given on the marked price, in this kind of sale the seller
A. Bears no loss no gain
B. gains
C. loses 1%
D. None of these - A shopkeeper earns a profit of 10% after allowing a discount of 20% on the marked price. The cost price of the article whose marked price is Rs. 880, is =_______ ?
A. Rs. 704
B. Rs. 640
C. Rs. 774
D. Rs. 680 - The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is_________?
A. (6!)2
B. 6! * ⁷P₆
C. 2(6!)
D. 6! * 7