Verbal Reasoning - Mental Ability Questions

Which number comes next in the series?

1, 5, 2, 6, 3, 7, ?

A horse is facing north. It turns 90 degrees in the clockwise direction, then 180 degrees in the anti-clockwise and then another 90 degrees in the same direction. Which direction is the horse facing now?

In the following question, select the missing number from the given series.

11, 13, 17, 19, 23, ?

Arrange the given words in the sequence in which they occur in the dictionary.

i. Regular
ii. Reinforcement
iii. Rainbow
iv. Remedy

Use the following passage for the questions based on it.

There are 6 flats on a floor in two rows. Out of these, three are north facing and the other three are south facing flats. The flats are to be allotted amongst Arun, Biswajyot, Chitra, Derek, Evan, and Fatima. Biswajyot gets a north facing flat and is not next to Derek. Derek and Fatima get diagonally opposite flats. Chitra is next to Fatima, and gets a south facing flat. Evan gets a north facing flat.

Which of the following pairs is exactly opposite to each other?

8 is related to 81 in the same way as 64 is related to ____

Arrange the following words as per their order in the dictionary:

1) PHYSICAL
2) PHYSICS
3) PHYSIOLOGY
4) PHYSICIAN
5) PHONE

Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is  ?