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RRB NTPC Maths Practice – Set 14

RRB NTPC Maths Practice – Set 14

📘 Instructions: नीचे दिए गए प्रत्येक प्रश्न को ध्यान से पढ़ें और सही उत्तर चुनें।


1. A train running at the speed of 54 km/hr crosses a pole in 10 seconds. Find the length of the train.
A. 120 m
B. 150 m
C. 180 m
D. 100 m
उत्तर: C. 180 m


2. If the cost price of 15 articles is equal to the selling price of 12 articles, then the gain percent is:
A. 20%
B. 25%
C. 30%
D. 35%
उत्तर: B. 25%


3. The average of 5 numbers is 27. If one number is excluded, the average becomes 25. Find the excluded number.
A. 30
B. 35
C. 40
D. 45
उत्तर: C. 40


4. The value of (999)² is:
A. 998001
B. 999001
C. 999999
D. 998009
उत्तर: A. 998001


5. What is the least number which when divided by 12, 16, 20 and 24 leaves remainder 4 in each case?
A. 124
B. 244
C. 484
D. 244
उत्तर: C. 484


6. If x = 4, what is the value of x³ − 3x² + 2x?
A. 24
B. 28
C. 32
D. 36
उत्तर: B. 28


7. A can do a piece of work in 12 days and B in 15 days. They work together for 5 days. How much work is left?
A. 1/4
B. 1/3
C. 2/5
D. 5/12
उत्तर: A. 1/4


8. The simple interest on ₹2000 at 5% p.a. for 2 years is:
A. ₹100
B. ₹200
C. ₹180
D. ₹220
उत्तर: A. ₹200


9. The perimeter of a semi-circle of radius 14 cm is:
A. 72 cm
B. 71.68 cm
C. 64 cm
D. 58 cm
उत्तर: B. 71.68 cm
(Perimeter = πr + 2r)


10. A person sold a watch for ₹960 and gained 20%. What was the cost price?
A. ₹800
B. ₹850
C. ₹780
D. ₹900
उत्तर: A. ₹800

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INDEX II

Q Bank - Establishment / Personnel Dept. (83) Q Bank - Electrical Engineering (80) Q Bank - OS / Clerk / Typist (72) Q B Engg (P Way & Work) (67) Q BANK - Operating (64) Group 'B' Exam (60) Q Bank - APO ( Asst. Personnel Officer) (57) QUESTION BANK WITH ANSWER (55) Q B Establishment (49) Q Bank - Goods Guards (45) Q Bank - OHE/TRD/PSI (36) Q B - CIVIL ENGINEERING (AEN) (27) Q B - Welfare Inspector (27) Q BANK - C & W ( Carriage & Wagon ) (27) Q Bank - Account (24) Q BANK - LOCO (23) Q BANK Exam - Station Master (23) Q Bank - Commercial (22) Q Bank - AOM (19) Q BANK - Station Master (18) Q Bank - S & T (15) 1. Syllabus (13) Q Bank - D & AR (Discipline and Appeals Rule) (12) Q Bank - Medical (12) Q Bank - Posts (Civil Engineering & P way) Dept (12) 2. Q Bank - Group D To C (11) INDEX (11) QB - ENGINEERING ( MECHANICAL ) (11) RRB EXAM (11) NTPC (10) Q Bank - LOCO (Diesel) (9) Q Bank - ACM (Assistant Commercial Manager) (9) Q BANK - Jr Engineer ( Diesel Mechanical ) (8) Q BANK - LOCO (AC) (8) Q Bank - Law Assistant (8) Q Bank - AME/AWM (7) Q Bank - Group D To C (6) Q Bank - General Knowledge (5) Q Bank - Publicity Inspector (5) Q Bank - Rajbhasha (राजभाषा) (5) Q Bank - Stores (5) Question & Answer (5) Q Bank - ADSTE / ASTE (4) Q Bank - AEE (4) Q Bank - Appointment On Compassionate Ground Exam (4) Q Bank - CLI (4) Q Bank - Commercial Instructor Exam (3) Q Bank - Engineering (Bridge) (3) Q Bank - IT (3) Q Bank - Protocol Inspector (3) Q Bank - RPF Department (3) Short Notes (3) Q BANK - Jr Engineer ( Mechanical ) (2) Q Bank - C & M (2) Q Bank - CCTC (2) Q Bank - Carpenter (2) Q Bank - General English (2) Q Bank - Jr Engineer (Tele) (2) Q Bank - Ministerial Staff (2) Q Bank - Track Machine (2) Q Bank -Section Controler (2) Video (2) ABB (1) Departmental Exam (1) FAQ (1) GDCE Exam (1) IRMS (Indian Railway Management Service (1) JUNIOR ENGINEER (Non -AC) GRADE - II (1) Minimum Wages Act (1) Project & Planning (1) Q BANK & Answer - C & W ( Carriage & Wagon ) (1) Q BANK - Shunting Master (1) Q Bank - Instructor (1) Q Bank - AMM (1) Q Bank - All Department (1) Q Bank - Ballast Train Checker (1) Q Bank - Complaints Inspector (1) Q Bank - GK (Computer) (1) Q Bank - Leave Rule (1) Q Bank - Mason (1) Q Bank - Maths (1) Q Bank - NPS (New Pension Scheme) (1) Q Bank - OS / Clerk Typist (1) Q Bank - Pass Rule (1) Q Bank - Planning Inspector (1) Q Bank - Railway (GK) (1) Q Bank - Stenographer (1) Q Bank - Technician (Ele) (1) Q Bank - Traffic Costing Inspector (1) Question Bank - Technicians of TLAC Group. (1) Short Notes - Establishment (1) Short Notes - Operating / Traffic (1) p (1)