4461: Running at a speed of 60 km per hour, a train passed through a 1.5 km long tunnel in two minutes. What is the length of the train ?
(A) 250 m
(B) 1000 m
(C) 1500 m
(D) 500 m
4462: Assertion (A) :
Sodium metal is stored under kerosene.
Reason (R):
Metallic sodium melts when exposed to air.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
4463: Examine the following :
Ashok is older than Suresh. Raju is older than Ashok and Vivek is not older than Suresh, Which one of the following statements must necessarily be true?
I. Vivek is as old as Ashok
II. Vivek is as old as Raju
III. Vivek is as old as Suresh
IV. Suresh is younger to Vivek
(a) Only I
(b) Only II
(c) Only III
(d) Either III or IV
4464: Consider the following statements:
1. The loans disbursed to farmers under Kisan Credit Card Scheme are covered under Rashtriya Krishi Beema Yojna of Life Insurance Corporation of India.
2. The Kisan Credit Card holders are provided personal accident insurance of Rs 50,000 for accidental death and Rs 25,000 for permanent disability.
Which of the statements given above is/ are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4465: Biological Oxygen Demand (BOD) is a standard criterion for
(a) Measuring oxygen levels in blood
(b) Computing oxygen levels in forest ecosystems
(c) Pollution assay in aquatic ecosystems
(d) Assessing oxygen levels in high altitude regions