A customer forgets a foru-digit code for an Automatic Teller Machine (ATM) in a bank. However, he remembers that this code consists of digits 3,5,6 and 9. Find the largest possible nuim,ber of trials necessary to obtain the correct code.

A customer forgets a four digit code for an Automatic Teler Machine (ATM) in a bank. However, he remembers that this code consists of digits 2, 3, 6 and 9. Find the largest possible number of trials necessary to obtain the correct code.

A costomer forgets a four-digit code for an automated teller machine (ATM) in a bank. However, he remembers that this code consists of digits 3, 5, 6, 9. Find the largest possible number of trials necessary to obtain the correct code.

An old man while dialing a 7 digit telephone humber remembcrs that the first four digits consists of one I's, one 2's and two 3's. He also remembers that the fifth digit is cither a 4 or 5 while has no memorising of the sixth digit, he remembers that the seventh digit is 9 minus the sixth digit. Maximum number of distinet trials he has to try to make sure that he dials the correct telephone number, is

Mr. Gupta has lost the secret code of his bag which consists of lots of chocolates.From the information given below help Mr. Gupta to recall his code. The code consists of five digits a b c d e : (a) = represents moles of hydrogen gas formed by converting all the hydrogen in 6 moles of NH_(3) (b) = ("density of SO"_(2) "gas at same T and P")/("density of O"_(2)"gas at same T and P") (c) = % moles of NH_(3) in a mixture of NH_(3) and H_(2)S having an average molecular weight of 33.15 (d,e) = represents % yield of reaction if 16.8 L of O_(2) is produced at 1 atm and 273 K from 122.5 gm of KClO_(3) .

In each question below is given a group of letters followed by four combinations of digits/symbols numbered (a), (b) , (c) and (d). You have to find out which of the combinations correctly represents the group of letters based on the coding system and mark the number of that combination as your answer. If none of the combinations correctly represents the group of letters, mark of the combinations correctly represents the group of letters, mark (e), i.e. "None of these" as your answer. {:("Letter",:,"W R A P G B M U S E F T N D"),("Digit/Symbol Code",:,"$ 8 ! 2 7 # 9 @ ? 5 "beta" 4 * 6"):} Conditions : (i) If the middle letter is a vowel, the codes for the first and fourth letter are to be interchanged. (ii) If the first two letters are consonants, the first letter is to be coded, no code may be given to the second letter and the remanining three letters are to be coded. (iii) If the first letter is a vowel and the last letter is a consonant both are to be coded as the for the Consonant. NEAST

In each question below is given a group of letters followed by four combinations of digits/symbols numbered (a), (b) , (c) and (d). You have to find out which of the combinations correctly represents the group of letters based on the coding system and mark the number of that combination as your answer. If none of the combinations correctly represents the group of letters, mark of the combinations correctly represents the group of letters, mark (e), i.e. "None of these" as your answer. {:("Letter",:,"W R A P G B M U S E F T N D"),("Digit/Symbol Code",:,"$ 8 ! 2 7 # 9 @ ? 5 "beta" 4 * 6"):} Conditions : (i) If the middle letter is a vowel, the codes for the first and fourth letter are to be interchanged. (ii) If the first two letters are consonants, the first letter is to be coded, no code may be given to the second letter and the remanining three letters are to be coded. (iii) If the first letter is a vowel and the last letter is a consonant both are to be coded as the for the Consonant. DAEWP

In each question below is given a group of letters followed by four combinations of digits/symbols numbered (a), (b) , (c) and (d). You have to find out which of the combinations correctly represents the group of letters based on the coding system and mark the number of that combination as your answer. If none of the combinations correctly represents the group of letters, mark of the combinations correctly represents the group of letters, mark (e), i.e. "None of these" as your answer. {:("Letter",:,"W R A P G B M U S E F T N D"),("Digit/Symbol Code",:,"$ 8 ! 2 7 # 9 @ ? 5 "beta" 4 * 6"):} Conditions : (i) If the middle letter is a vowel, the codes for the first and fourth letter are to be interchanged. (ii) If the first two letters are consonants, the first letter is to be coded, no code may be given to the second letter and the remanining three letters are to be coded. (iii) If the first letter is a vowel and the last letter is a consonant both are to be coded as the for the Consonant. PEFTG

In each question below is given a group of letters followed by four combinations of digits/symbols numbered (a), (b) , (c) and (d). You have to find out which of the combinations correctly represents the group of letters based on the coding system and mark the number of that combination as your answer. If none of the combinations correctly represents the group of letters, mark of the combinations correctly represents the group of letters, mark (e), i.e. "None of these" as your answer. {:("Letter",:,"W R A P G B M U S E F T N D"),("Digit/Symbol Code",:,"$ 8 ! 2 7 # 9 @ ? 5 "beta" 4 * 6"):} Conditions : (i) If the middle letter is a vowel, the codes for the first and fourth letter are to be interchanged. (ii) If the first two letters are consonants, the first letter is to be coded, no code may be given to the second letter and the remanining three letters are to be coded. (iii) If the first letter is a vowel and the last letter is a consonant both are to be coded as the for the Consonant. SMGBE

In each question below is given a group of letters followed by four combinations of digits/symbols numbered (a), (b) , (c) and (d). You have to find out which of the combinations correctly represents the group of letters based on the coding system and mark the number of that combination as your answer. If none of the combinations correctly represents the group of letters, mark of the combinations correctly represents the group of letters, mark (e), i.e. "None of these" as your answer. {:("Letter",:,"W R A P G B M U S E F T N D"),("Digit/Symbol Code",:,"$ 8 ! 2 7 # 9 @ ? 5 "beta" 4 * 6"):} Conditions : (i) If the middle letter is a vowel, the codes for the first and fourth letter are to be interchanged. (ii) If the first two letters are consonants, the first letter is to be coded, no code may be given to the second letter and the remanining three letters are to be coded. (iii) If the first letter is a vowel and the last letter is a consonant both are to be coded as the for the Consonant. UGREN