15 Composition questions from the Functional Programming bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
B.a left-to-right combinator that threads a value through a sequence of routines applied in written order
C.combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
D.a chain of transformations through which data flows from input to output in successive stages
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2. Which term means: "combining two or more routines so the output of one is fed as the input of the next, forming a single new routine"?
Junior
A.Combinator
B.Function composition
C.Pipe
D.Pipeline
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3. Which statement is correct?
Junior
A.Function composition — writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
B.Function composition — a routine that builds new behavior purely by combining its routine arguments, relying on no external state
C.Function composition — combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
D.Function composition — a chain of transformations through which data flows from input to output in successive stages
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4. What is Point-free style?
Senior
A.writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
B.combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
C.a left-to-right combinator that threads a value through a sequence of routines applied in written order
D.a routine that builds new behavior purely by combining its routine arguments, relying on no external state
Answer + AI explanation with Pro
5. Which term means: "writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines"?
Senior
A.Function composition
B.Pipeline
C.Point-free style
D.Combinator
Answer + AI explanation with Pro
6. Which statement is correct?
Senior
A.Point-free style — writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
B.Point-free style — a left-to-right combinator that threads a value through a sequence of routines applied in written order
C.Point-free style — a chain of transformations through which data flows from input to output in successive stages
D.Point-free style — combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
Answer + AI explanation with Pro
7. What is Pipe?
Mid
A.writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
B.a routine that builds new behavior purely by combining its routine arguments, relying on no external state
C.a chain of transformations through which data flows from input to output in successive stages
D.a left-to-right combinator that threads a value through a sequence of routines applied in written order
Answer + AI explanation with Pro
8. Which term means: "a left-to-right combinator that threads a value through a sequence of routines applied in written order"?
Mid
A.Pipeline
B.Point-free style
C.Combinator
D.Pipe
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.Pipe — a chain of transformations through which data flows from input to output in successive stages
B.Pipe — combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
C.Pipe — a left-to-right combinator that threads a value through a sequence of routines applied in written order
D.Pipe — a routine that builds new behavior purely by combining its routine arguments, relying on no external state
Answer + AI explanation with Pro
10. What is Pipeline?
Mid
A.a routine that builds new behavior purely by combining its routine arguments, relying on no external state
B.a chain of transformations through which data flows from input to output in successive stages
C.writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
D.a left-to-right combinator that threads a value through a sequence of routines applied in written order
Answer + AI explanation with Pro
11. Which term means: "a chain of transformations through which data flows from input to output in successive stages"?
Mid
A.Point-free style
B.Pipeline
C.Function composition
D.Pipe
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.Pipeline — a routine that builds new behavior purely by combining its routine arguments, relying on no external state
B.Pipeline — a chain of transformations through which data flows from input to output in successive stages
C.Pipeline — writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
D.Pipeline — combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
Answer + AI explanation with Pro
13. What is Combinator?
Senior
A.writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
B.a left-to-right combinator that threads a value through a sequence of routines applied in written order
C.combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
D.a routine that builds new behavior purely by combining its routine arguments, relying on no external state
Answer + AI explanation with Pro
14. Which term means: "a routine that builds new behavior purely by combining its routine arguments, relying on no external state"?
Senior
A.Pipe
B.Pipeline
C.Function composition
D.Combinator
Answer + AI explanation with Pro
15. Which statement is correct?
Senior
A.Combinator — combining two or more routines so the output of one is fed as the input of the next, forming a single new routine
B.Combinator — a routine that builds new behavior purely by combining its routine arguments, relying on no external state
C.Combinator — a chain of transformations through which data flows from input to output in successive stages
D.Combinator — writing routine definitions without explicitly naming the arguments they operate on, by composing existing routines
Answer + AI explanation with Pro
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