Sample questions for Logical Reasoning Skills

1. At a conference, 12 members shook hands with each other before & after the meeting. How many total number of hand shakes occurred?
• 100
• 132
• 145
• 144
• 121

Explanation: The first person shook hands with 11 remaining people, the second person also shook hands with 11 people, but we count 10, as the hand shake with the first person has already been counted. Then add 9 for the third person, 8 for the fourth one & proceeding in this fashion we get: 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 66.
Hence 66 hand shakes took place before & 66 after the meeting, for a total of 132.

2. The day after the day after tomorrow is four days before Monday. What day is it today?
• A. Monday
• B. Tuesday
• C. Wednesday
• D. Thursday
• E. Friday

Explanation:Four days before Monday is Thursday, simply because four days after Thursday is Monday. Besides, day after the day after tomorrow is Thursday only if present day is Monday.

3. A fisherman has 5 fishes (namely A, B, C,D, E) each having a different weight.
• (i) A weighs twice as much as B.
• (ii) B weighs four and a half times as much as C.
• (iii)C weighs half as much as D.
• (iv) D weighs half as much as E.
• (v) E weighs less than A but more than C.

Which of the following is the lightest?

• (i) A
• (ii) B
• (iii)C
• (iv) D
• (v) E

Explanation: On logical interpretation of the given statements one can arrive at the following conclusion:
A>B>E>D>C in order of decreasing weight. Hence C is the lightest of all the given fishes.

4. In the above problem,
E is lighter in weight than which of the following pairs?
• (i) B,D
• (ii)D,C
• (iii)A,D
• (iv)B,C
• (v)A,B

Explanation: On logical interpretation of the given statements one can arrive at the following conclusion:
A>B>E>D>C in order of decreasing weight. Hence, it can be seen that E is the lighter than A and B.

5. 6121135 is to flame as 21215120 is to ?
• A. voice
• B. bald
• C. bloat
• D. castle

Explanation: 6,12,1,13,5 each number in the break up signifies the corresponding letter in the alphabet. (viz. 6->f, 12->l...etc.)
Similarly 2,12,15,1,20 which signifies bloat.

6. Forest is to tree as tree is to ?
• A. plant
• B. leaf
• C. branch
• D. mangrove

Explanation: As forest houses several trees, a tree has many leaves. Branches is a close choice but it is incorrect as all tress do not have branches.

Take a PhD certified IQ test and find out your IQ in just 20 mins.

Go back to original article "Parts of IQ Test"

| | |

Related Articles

Neurobics - Brain Stimulators
Neurobics are an assortment of brain exercises that help stimulate it and keep it healthy and fit. It's in many ways synonymous with aerobics, but instead of your body it's your mind which takes part in the exercises. For good results they should be practiced on a regular basis.

Neurobics do not demand additional time for practicing, they are a set of exercises which you can integrate in your daily chores and spice up your monotonous routine with fun and flavor. These are not essentially complicated but variations of your normal tasks which teach your brain newer task everyday.

Brain Training
The brain is the most extraordinary organ gifted to man. But it is not to be taken for granted. Simulation and exercise are its only fodder, for keeping it up and running. Besides improving brain function, it also protects against cognitive decline. Research tells us that just using the brain, veritably increases the number of dendritic branches that connect brain cells.