Railway MCQ question answer
How many metres of carpet 63 cm wide will be required to cover the floor of a room 14 metres by 9 metres ?
(A)185 metres
(B)200 metres
(C)210 metres
(D)220 metres
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Railway Exams
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Railway question answer
The area of a rectangular field is 2100 sq. meters. If the field is 60 metres long, what is its perimeter ?
(A)180 m
(B)210 m
(C)240 m
(D)None of these
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lalit kashyap
2025년 12월 21일
Correct Answer: (D) None of these ✅
Short Explanation:
Area = Length × Breadth[2100 = 60 \times \text{Breadth} \Rightarrow \text{Breadth} = 35 \text{ m}]
Perimeter = (2(L + B) = 2(60 + 35) = 190) m
Since 190 m is not given in the options, the correct answer is None of these.
Raliway MCQ with answer
The diameter of a circle is equal to the perimeter of a square whose area is 3136 cm2 . What is the circumference of the circle ?
(A)352 cm
(B)704 cm
(C)39424 cm
(D)1024 cm
5 Views
lalit kashyap
2025년 12월 21일
Correct Answer: (B) 704 cm ✅
Short Explanation:
Area of square = 3136 cm² → side = √3136 = 56 cm
Perimeter of square = 4 × 56 = 224 cm
Diameter of circle = 224 cm
Circumference of circle = π × d = ( \frac{22}{7} \times 224 = 704 ) cm
✅ Answer: 704 cm
Railway question with answer
Synapse gap is present between which of the following?
(A)Two neurons
(B)Brain and Spinal Cord
(C)Two Kidneys
(D)None of these
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lalit kashyap
2025년 12월 21일
Correct Answer: (A) Two neurons ✅
Short Explanation:A synapse gap (synaptic cleft) is the small space present between two neurons, through which nerve impulses are transmitted by chemical messengers called neurotransmitters.
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Correct Answer: (B) 200 metres ✅
Short Explanation:
Area of the room = (14 \times 9 = 126) m²
Width of carpet = 63 cm = 0.63 m
Length of carpet required = (\frac{126}{0.63} = 200) metres
✅ Answer: 200 metres