Fill in the blank by suitable letters.
a_c_ba_ca_cb

If 'water' is called ' food ', ' food ' is called ' tree', 'tree' is called 'sky', 'sky' is called 'wall', on which of the following grows a fruit? 

In a certain code language, " ARRAY " is written as "19917". How is " LEARNING " written in that code language?

Find the number of rectangles?

_ zy_zxy_yxzx_zyx_sy 

Choose the odd word/letters/number from the given alternatives

In the following figure, how many educated people are employed? 

If, in a certain code language, FIN is written as 138, SAG as 246, ERR as 077 and RIG as 147, in that code language, GINGER will be written as: