Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
1). BF3
2). O2
3). CHClF2
4). Cl2
The ten's digit of a 2-digit number is greater than the units digit by 2. If we subtract 18 from the number, the new number obtained is a number formed by
interchange of the digits. Find the number.
1). 75
2). 64
3). 53
4). 86
The Panchayati Raj was first adopted by which of the following states?
1). Haryana
2). Rajasthan
3). Madhya Pradesh
4). Karnataka
Select the odd word/letters/number/number pair from the given alternatives.
1). ZBD
2). JLN
3). QSU
4). NOP
Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?
1). x - 6y = 5
2). x + 6y = -5
3). x - 6y = -5
4). x + 6y = 5