1.
How many words of 11 letters could be formed with all the vowels present only in the even places, and the consonants only in the odd places, using letters of the english alphabet? Each letter may appear only once . the vowels are A,E,I,O,U and the consonants are the remaining letters of the alphabet. In the answer ,n! Donotes n factorial (or 1*2*…*n)
11.
A pizza restaurant has a tradition of creating specialty pizzas all of the same thickness, and in the shape of the perfect circle it also divides them up into exactly equal slices even if the number of slices per pizza is sometimes unusual. It sells small medium ,large and extra large pizzas. The diameter are 8,11,13 and 15 inches respectively they are each divided into 4,9,12, and 13 slices respectively. Which pizza has the largest slice?
12.
Eesha’s father was 34 years of age when she was born.her younger brother, Shashank, now that he is 13,is very proud of the fact that he is as tell as her, even though he is three years younger than her. Eesha’s mother , who is shorter than Eesha,was only 29 when Shashank was born .what is the sum of the ages of Eesha’s parents now?
23.
The 260th term of the series a,b,b,c,c,c,d,d,d,d,e,e,e,e,e,f,f,f,f,f,f,….is: