Search found 15 matches
Different codewords are formed using the letters
Different codewords are formed using the letters of the word SYSTEMS. How many can such codewords be formed? (1) The codewords must have four letters. (2) In any codeword, the same letter may be selected as many times it has occurred in the word SYSTEMS. Experts, the answer is C. However, if there i...
- by stevecultt
Wed Sep 27, 2017 4:37 am- Forum: Data Sufficiency
- Topic: Different codewords are formed using the letters
- Replies: 0
- Views: 580
How many passwords of 7 characters can be designed?
How many passwords of 7 characters can be designed?
(1) Passwords contain only distinct vowels and distinct digits, in alternate positions.
(2) Passwords must begin with a digit.
Experts, the correct answer is C. But I think (1) is also sufficient. 86400 + 302400 is what we get from (1). pl. help.
- by stevecultt
Wed Sep 27, 2017 4:29 am- Forum: Data Sufficiency
- Topic: How many passwords of 7 characters can be designed?
- Replies: 1
- Views: 727
A water pump began
A water pump began filling an empty swimming pool with water and ran at a constant rate til the swimming pool was full. At some time, the pool was 1/2 full, and 2 1/3 hours later, it was 5/6 full. How many hours would it take the pump to fill the empty pool completely? (A) 4 (B) 5 1/3 (C) 7 (D) 7 1/...
- by stevecultt
Wed Jul 19, 2017 1:01 am- Forum: Problem Solving
- Topic: A water pump began
- Replies: 4
- Views: 1495
A marketing class of a college
A marketing class of a college has a total strength of 30. It has formed three groups: G1, G2, and G3, which have 10, 10, and 6 students, respectively. If no student of G1 is on either of the other two groups, what is the greatest possible number of students who are on none of the groups? (A) 6 (B) ...
- by stevecultt
Tue Jun 20, 2017 10:42 pm- Forum: Problem Solving
- Topic: A marketing class of a college
- Replies: 5
- Views: 1816
What is the remainder
What is the remainder when p is divided by 10?
(1) p^(11) +‚ 11^p, when divided by 10, leaves remainder 4.
(2) p^3, when divided by 10, leaves remainder 3.
OA D
- by stevecultt
Tue Jun 20, 2017 5:04 am- Forum: Data Sufficiency
- Topic: What is the remainder
- Replies: 1
- Views: 893
ABA represents a three-digit number having digits
ABA represents a three-digit number having digits A and B; BC3 represents another three digit having digits B, C and 3. What is the value of B?
(1) ABA x 3 = BC3
(2) A, B, and C are distinct non-zero digits.
OA E
- by stevecultt
Tue Jun 13, 2017 10:26 pm- Forum: Data Sufficiency
- Topic: ABA represents a three-digit number having digits
- Replies: 2
- Views: 1006
D represents a single digit number
D represents a single digit number from 1 to 9. What is the value of D?
(1) D•D + DD = D•D x DD
(2) D is not a prime number.
The dot (•) represents a decimal.
OA A
- by stevecultt
Tue Jun 13, 2017 10:20 pm- Forum: Data Sufficiency
- Topic: D represents a single digit number
- Replies: 2
- Views: 1225
If p is the sum of the reciprocals
If p is the sum of the reciprocals of the consecutive integers from 91 to 100, inclusive, which of the following is more than 1/p?
I. 8
II. 9
III. 10
(A) Only I
(B) Only II
(C) Only III
(D) Only II and III
(E) I, II and III
OA C
- by stevecultt
Mon Jun 12, 2017 4:29 am- Forum: Problem Solving
- Topic: If p is the sum of the reciprocals
- Replies: 5
- Views: 2171
If s is the sum of all integers
If s is the sum of all integers from 1 to 30, inclusive, what is the sum of all the factors of s?
(A) 303
(B) 613
(C) 675
(D) 737
(E) 768
OA E
- by stevecultt
Mon Jun 12, 2017 4:20 am- Forum: Problem Solving
- Topic: If s is the sum of all integers
- Replies: 3
- Views: 2338
PQP is a three-digit number having digits P and Q;
PQP is a three-digit number having digits P and Q; and RQS5 is a four-digit number having
digits R, Q, S and 5. What is the value of R?
(1) PQP x P = RQS5
(2) P, Q, R, and S are distinct non-zero digits.
OA A
Need an approach for this problem. Thanks in advance.
- by stevecultt
Fri Jun 09, 2017 4:25 am- Forum: Data Sufficiency
- Topic: PQP is a three-digit number having digits P and Q;
- Replies: 3
- Views: 1330
PQ and QP represent two-digit numbers
PQ and QP represent two-digit numbers having P and Q as their digits. RSR is a three-digit
number having the digits R and S. What is the value of P + Q + R + S?
(1) PQ + QP = RSR.
(2) P, Q, R, and S are distinct non-zero digits.
OA A
Need help how the answer is A.
- by stevecultt
Fri Jun 09, 2017 4:17 am- Forum: Data Sufficiency
- Topic: PQ and QP represent two-digit numbers
- Replies: 4
- Views: 3423
A state has a total of 23,000 number of companies from seven
According to the table given below, a state has a total of 23,000 number of companies from seven regions. By what percent of the total number of companies of Region S is more than the number of companies of Region R? Region-wise distribution of companies in the state Region P--2345 Region Q--3456 Re...
- by stevecultt
Sat Mar 04, 2017 1:07 am- Forum: Problem Solving
- Topic: A state has a total of 23,000 number of companies from seven
- Replies: 2
- Views: 1916
English literature class
I am sorry. I do not know the correct answer for this. Pl. help me with this. A teacher in an English literature class analyzed answers given by her students on a written test and concluded that their answers for a given essay were right, on average, 60 percent of the time. The conclusion above depe...
- by stevecultt
Sun Nov 17, 2013 11:17 pm- Forum: Critical Reasoning
- Topic: English literature class
- Replies: 1
- Views: 1152
English literature class
I am sorry. I do not know the correct answer for this. Pl. help me with this. A teacher in an English literature class analyzed answers given by her students on a written test and concluded that their answers for a given essay were right, on average, 60 percent of the time. The conclusion above depe...
- by stevecultt
Sun Nov 17, 2013 10:01 pm- Forum: Critical Reasoning
- Topic: English literature class
- Replies: 1
- Views: 943
Excellent explanation! Rahul why did u take c-1 as 1? a*a = (c-b)(c+b) Since "a" is a prime number .. also we know that a,b and c are different positive integers.. So, it is not possible that (c-b) & (c+b) will yield same result "a" .. that means either (c-b) is a*a or (c+b) ...
- by stevecultt
Mon Nov 11, 2013 5:57 am- Forum: Data Sufficiency
- Topic: Confused!
- Replies: 7
- Views: 1526