Logical Reasoning (तार्किक क्षमता) – Logical Reasoning MCQ

Logical Reasoning (तार्किक क्षमता): प्रश्न र उत्तर

सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।

सही: ० / ०

671. In a word ladder, one letter is changed at a time and every step must be a real English word. What is the minimum number of steps to change COLD into WARM?

     क4 ख5 ग6 घ3
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

672. Two guards stand at two doors; one door leads to freedom. One guard always lies and the other always tells the truth, but you do not know which is which. With one question to one guard, which question lets you find the door to freedom?

     कAsk 'Which door would you say leads to freedom?' and take the opposite door खAsk 'Which door would the other guard say leads to freedom?' and take the opposite door गAsk 'Which door leads to freedom?' and take that door घAsk 'Are you the truthful guard?' and act on the answer
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

673. There are 23 matchsticks. Two players take turns removing 1, 2, 3 or 4 sticks, and the player who takes the last stick loses. How many sticks should the first player remove on the first turn to be sure of winning?

     क4 ख1 ग2 घ3
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

674. A traveller has a gold chain of 7 links and must pay an innkeeper one link per day for 7 days, paying each day and getting change back in links. What is the minimum number of links that must be cut?

     क3 ख2 ग6 घ1
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

675. Two ropes each take exactly 60 minutes to burn, but burn unevenly. How can you measure exactly 45 minutes?

     कLight each rope at one end and stop when half of rope 1 has burnt खLight rope 1 at each end, then light rope 2 at one end after rope 1 burns out गLight rope 1 at each end and rope 2 at one end; when rope 1 burns out, light the other end of rope 2 घCut rope 1 into four equal pieces and burn three of them
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

676. Twelve coins look alike, but one is counterfeit and is either heavier or lighter (not known which). Using a two-pan balance, what is the minimum number of weighings that always finds the counterfeit coin and tells whether it is heavier or lighter?

     क4 ख3 ग5 घ2
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

677. What is the least number of weights needed to weigh every whole number of kilograms from 1 kg to 63 kg if weights may be placed on only one pan of the balance?

     क6 ख7 ग4 घ5
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

678. What is the minimum number of moves a knight needs to go from one corner square of a standard 8 × 8 chessboard to the diagonally opposite corner?

     क7 ख4 ग5 घ6
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

679. Ten people numbered 1 to 10 stand in a circle. Counting starts at person 1 and every second person is eliminated (2, 4, 6, …), the counting continuing round the circle, until only one remains. Which number survives?

     क9 ख5 ग1 घ7
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

680. A school has 100 closed lockers. Student 1 opens every locker; student 2 toggles (opens if closed, closes if open) every 2nd locker; student 3 toggles every 3rd locker; and so on up to student 100. How many lockers are open at the end?

     क25 ख1 ग50 घ10
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।