RRB GROUP D MODEL SET 12

RRB GROUP D MODEL SET 12

(1)A train passes a 50 m long platform in 14 s and  a man standing on a platform in 10 s. The speed of the train is
(a) 34 km/h
(b) 45 km/h
(c) 20 km/h
(d) 42 km/h

Show Answer
Answer: c

(2) The LCM of three different numbers is 120. Which of the following cannot be their HCF?
(a) 23
(b) 45
(c) 26
(d) 35
Show Answer
Answer: d

(3) A cooper rod of 1 cm diameter and 8 cm long is formed into a wire of uniform diameter, whose length is 18 m. The radius (in cm) of the wire is
(a) 1/30
(b) 4/20
(c) 2/30
(d) 1/40
Show Answer
Answer: a

(4) The equivalent single discount for two successive discounts of 15% and 10% is
(a) 18%
(b) 26.3%
(c) 23.5%
(d) 11.7%
Show Answer
Answer: c

(5) 18% of which number is equal to 12% of 75?
(a) 67
(b) 28
(c) 50
(d) 100
Show Answer
Answer: c

(6) The present ratio of the ages pf P and Q is 2 : 3 . If the age of P is 12 yr less than the age of Q, what is the present age of Q in years?
(a) 45
(b) 28
(c) 36
(d) 16
Show Answer
Answer: c

(7) If the area of a triangle with base 12 cm is equal to the area of a square with side 12 cm. The altitude of the triangle will be
(a) 24 cm
(b) 33 cm
(c) 16 cm
(d) 42 cm
Show Answer
Answer: a

(8) The system of patenting in India is
(a) System and Component Patent
(b) Product Patent
(c) Intellectual Property Right Patent
(d) Process Patent
Show Answer
Answer: d

(9) On papers, who declares war or peace?
(a) The Defence Minister
(b) The Parliament
(c) The President
(d) The Prime Minister
Show Answer
Answer: c

(10) Which of the following Ministries is not included in the Planning Commission?
(a) Defence
(b) Agriculture
(c) Industry
(d) Finance
Show Answer
Answer: c