251: What is the increasing order of the wavelengths of the following colours?
1. Orange
2. Indigo
3. Yellow
4. Violet
(a) 1, 2, 3 and 4
(b) 3, 1, 4 and 2
(c) 1, 3, 2 and 4
(d) 4, 2, 3 and 1
252: Assertion (A) :
To dilute sulphuric acid, acid is added to water and not water to acid.
Reason (R) :
Specific heat of water is quite large.
(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
253: In a company 60% of the employees are men. Of these 40% are drawing more than Rs 50,000 per year. If 36% of the total employees of the company draw more than Rs 50,000 per year, what is the percentage among women who are drawing less than Rs 50,000 per year?
(a) 70
(b) 60
(c) 40
(d) 30
254: Who represented India at the Chicago Conference of World Religions in 1893?
(a) Swami Vivekananda
(b) Swami Dayananda
(c) Swami Abhedananda
(d) Ramakrishna Paramhansa
255: The length of its day and the tilt of its axis are almost identical to those of the earth. This is true of
(a) Uranus
(b) Neptune
(c) Saturn
(d) Mars