Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations

Pragmatism: John Dewey developed the philosophical approach that focuses on practical consequences and learning by doing, which defines pragmatism.

Explanation 150:100, the ratio of number of boys to girls. 15:10, ratio reduced. 3:2, the ratio reduced more. therefore the ratio of the number of boys to girls is 3:2. ND-5-09--023

Explanation Since Carrots a vegetable whereas orange, Water melon, and mango are fruits So carrot is different from the other 3 options ND-6-09-2023

Explanation If FEED is coded as 4332 the DEEF is coded as 2334 solution: F= 4 E = 3 E = 3 D = 2 coded FEED = 4332 Coded DEEF = 2334 ND-6-09-2023

Explanation 2 x 3 = 49 (2)^2 = 4 and (3)^2 = 9 similarly, 3 x 4 = 916 (3)^2 = 9 (4)^2 = 16 , similarly 2 x 4 = 416 (2)^2 = 4 (4)^2 = 16 ND18-9-2023

Explanation If FET is to TEF then TAR is to RAT In the first series " F " is shifted after the last alphabet as we Shifted " R " after the last alphabet ND-6-09-2023

Explanation ND-6-09-2023

Explanation It's a simple concept 63= 6 - 3=3 44= 4 - 4=0 91= 9 - 1 =8 The series is 63,3,44,0,91,8

Explanation Horse is different from cow, goat, and sheep The horse is used to ride and the other animals are not used . Sh6-9-2023

Explanation 2x + 5 = 13 Step 1: Subtract 5 from both sides 2x = 13 - 5 2x = 8 Step 2: Divide both sides by 2 x = 8 / 2 x = 4

Explanation 1 dozen eggs = 12 eggs, costing Rs. 250. Cost per egg = 250/ 12 Rs. For 30 eggs, the cost = 30 × 250/ 12 = 250 ​Let's calculate it: Cost for 30 eggs = 30 × 250/ 12 = 30 × 20.83 = 625 Cost for 30 eggs = 30×20.83=625 So, the cost price of 3 0 eggs is Rs. 625.

Explanation One trillion equals a thousand billion or million millions 1 trillion consists of 1 followed by 12 zeros , that is, 1, 000, 000,000, 000 and can be written as (10^{12} ) It takes about 32,000 years to finish 1 trillion seconds. ND28-4-2023

Explanation (7 - √2)(7 + √2): Use the formula (a - b)(a + b) = a² - b² Here, a = 7 and b = √2 So, = 7² - (√2)² = 49 - 2 = 47

Explanation Heavy is to Light Rough is too Smooth The opposite of heavy is light, similar to smooth is the opposite of rough

Explanation A 7% sales tax means: x + 0.07x = 22.90 ⇒ 1.07x = 22.90 ⇒ x = 22.90 / 1.07 = 21.40

Explanation July is 7th month of English Calendar The odd-numbered months are January, March, May, July, September, and November, being the 1st, 3rd, 5th, 7th, 9th, and 11th, while the others are even months. So there are 6 odd months and 6 even months.

Explanation Given: x = 3 x³ = 3 × 3 × 3 = 27

Explanation To convert the binary number 11000 111 to decimal: Write down the binary number: 11000 111 Identify each bit's position from right to left: 2 0 , 2 1 , 2 2 , 2 3 , 2 4 , 2 5 , 2 6 Assign the binary digits to their respective positions: 1 , 1 , 0 , 0 , 0 , 1 , 1 Now, calculate the decimal value: 1 × 2 6 + 1 × 2 5 + 0 × 2 4 + 0 × 2 3 + 0 × 2 2 + 1 × 2 1 + 1 × 2 0 = 64 + 32 + 0 + 0 + 0 + 2 + 1 = 99 = 99 So, the decimal value of 11000 111 11000 111 is 99 Therefore, the correct answer for the MCQ would be: 99.

Explanation A 7% sales tax means: x + 0.07x = 22.90 ⇒ 1.07x = 22.90 ⇒ x = 22.90 / 1.07 = 21.40

Explanation July is 7th month of English Calendar The odd-numbered months are January, March, May, July, September, and November, being the 1st, 3rd, 5th, 7th, 9th, and 11th, while the others are even months. So there are 6 odd months and 6 even months.