Related Questions

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.
A 10
B 7
C 8
D 9
What is the most essential purpose of parantheses in regular expressions ?
A Define pattern matching techniques
B Define subpatterns within the complete pattern
C Define portion of strings in the regular expression
D All of the mentioned
The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
A 87
B 11
C 12
D 15
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
The regular price of a can of Coca is Tk. 15. If the regular price per can is discounted 15% when it is purchased in 24 can cases, what is the price of 74 cans of Coca Cola?
A Tk. 1,110,00
B Tk. 1,022.50
C Tk. 948.00
D Tk. 943.50
A man's regular pay is Taka 30 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid Taka 1680, how many hours overtime did he work ?
A 8
B 16
C 28
D 48
A man's regular pay is Taka 30 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid Taka 1680, how many hours overtime did the work?
A 48
B 28
C 16
D 8
A man's regular pay Tk. 30 per hour up to 40 hours. Overtime is twice the regular payment. If he was paid Tk. 1680, how many hours overtime did he work?
A 7
B 16
C 9
D 8
During a sale, the price of a pair of shoes is marked down by 10% from the regular price. After the sale ends, the price goes back to the original price. What is the percent increase (to the nearest whole number) form the discounted sale price to the regular price for the shoes?
A 9%
B 10%
C 11%
D 15%
At a certain bookstore , the regular price of each book is 20 percent less than its list price. If during a sale the price of each book at the store was 15 percent less than its regular price, then the price of a book during the sale was what percent less than its list price ?
A 30%
B 32%
C 35%
D 38%

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