Aptitude - Arithmetical Ability

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7.

There are 12 yes or no questions. How many ways can these be answered?                        
A. 4096 B. 2048
C. 1024 D. 144



8.

In how many ways can the letters of the word 'LEADER' be arranged?                        
A. 72 B. 144
C. 360 D. 720



9.

There are 7 non-collinear points. How many triangles can be drawn by joining these points?                        
A. 35 B. 10
C. 8 D. 7




10.

From 6 men and 4 ladies, a committee of 5 is to be formed. In how many ways can this be done, if the committee is to include at least one lady?                        
A. 246 B. 340
C. 290 D. 315



11.

How many multiples of 5 are there from 10 to 95?                        
A. 15 B. 18
C. 16 D. 20



12.

How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?                        
A. 5 B. 10
C. 15 D. 20



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