236: (1) A school admits only mentally retarded children
(2) Only the students of this school are invited to attend a party hosted by the mayor
(3) I.Q. of mentally retarded persons is less than 60
What conclusion can be drawn from the above ?
(a) All those who attended the party had an I.Q. less than 60
(b) All the students who attended the party had an I.Q. less than 60
(c) Some gentlemen were also invited to the party
(d) None of the above
237: Which one of the following pairs is not correctly matched ?
(a) Govind Sagar Dam : Satluj River
(b) Ukai Reservoir Dam : Tapi River
(c) Kolleru Lake : Krishna River
(d) Wular Lake : Jhelum River
238: The working principle of a washing machine is
(a) centrifugation
(b) dialysis
(c) reverse osmosis
(d) diffusion
239: Consider the following statements:
1. Great Britain comprises England, Wales, Scotland and Northern Ireland.
2. England covers less than 60% of the total area of the United Kingdom.
Which of the following statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
240: With reference to micro-irrigation, which of the following statements is/are correct ?
1. Fertilizer/nutrient loss can be reduced.
2. It is the only means of irrigation in dry land farming.
3. In some areas of farming, receding of ground water table can be checked.
Select the correct answer using the codes given below:
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3