What is the chemical formula of aluminium nitride?
1). AlN
2). Al2N
3). AlN2
4). AlN2
Of the 3 numbers whose average is 64, the first number is 1/3 times the sum of other 2. The first number is
1). 72
2). 32
3). 96
4). 48
Select the odd word/letters/number/number pair from the given alternatives.
1). 361
2). 289
3). 225
4). 216
Battle of Haldighati was fought in the year ________.
1). 1764
2). 1526
3). 1576
4). 1857
Find the sum of interior angles of a dodecagon?
1). 1620°
2). 1800°
3). 1440°
4). 1260°