191: Solution of washing soda in water is:

(a) Acidic

(b) Basic

(c) Neutral

(d) Sour
192: Consider the following statements:

1. There are no east flowing rivers in Kerala.

2. There are no west flowing rivers in Madhya Pradesh.

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
193: Carpenter A can make a chair in 6 hours, carpenter B in 7 hours and carpenter C in 8 hours. If each carpenter works for 8 hours per day, how many chairs will be made in 21 days ?

(a) 61
(b) 73
(c) 67
(d) 79
194: The latitudes that pass through Sikkim also pass through

(a) Himachal Pradesh
(b) Punjab
(c) Jammu & Kashmir
(d) Rajasthan
195: Which one of the following laser types is used in a laser printer ?

(a) Dye laser
(b) Gas laser
(c) Excimer laser
(d) Semiconductor laser