2391: There are 6 different letters and 6 correspondingly addressed envelopes. If the letters are randomly put in the envelopes, what is the probability that exactly 5 letters go into the correctly addressed envelopes?
(a) Zero
(b) 1/2
(c) 1/6
(d) 5/6
2392: With reference to Union Government, consider the following statements:
1. The number of Ministries at the centre on 15th August 1947 was 18.
2. The number of Ministries at the centre at present is 36.
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
2393: Which of the following is/are extra-constitutional and extra-legal device(s) for securing cooperation and coordination between the States in India ?
I. The National Development Council
II. The Governors Conference
III. Zonal Councils
IV. The Inter-State Council.
Choose the correct answer from the codes given below :
Codes:
(a) I, II and III
(b) I, III and IV
(c) III and IV
(d) IV only
2394: Assertion (A) :
Drinking of whisky increases the frequency of urination.
Reason (R) :
Alcohol intake speeds up the secretion of vasopressin in the body.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually 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
2395: Azolla gives a good biofertilizer when mixed with:
(a) Blue-green algae
(b) Cow dung
(c) Bone-meal
(d) Urea