Question
The diameter of the base of a solid right circular cone
is 22 cm and its height is 60 m. The cost of polishing its curved surface at ₹1.40 per cm²  is: (Take π = 22/7)Solution
The correct answer is D
13 14 22.5 ? 120 363
...70    191    47    216    ?    245
65    69   77 93  ?    189
49Â Â Â Â Â 121Â Â Â Â Â Â Â 169Â Â Â Â Â Â 289Â Â Â Â Â Â 361Â Â Â Â Â Â ?
...14 15 34 116 460 2325
...If 6 4 x 5.75 9,
Then, (x²-1) = ?
...97 106 121 138 157 180
...20    60      180      540     ?     4860
...12    16    43    ?       184    220
...If 152,   242,    x ,  332,   404,    314,
then find the value of (2x – 1)?
...