100 Most Repeated MCQs of Math MCQs - Maths Practice | PakExamPoint

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100 Most Repeated MCQs of Math MCQs and revision practice

Study 100 Most Repeated MCQs of Math through multiple-choice questions in Maths. This subtopic contains 1095 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

Use these 100 Most Repeated MCQs of Math MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.

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100 Most Repeated MCQs of Math: questions and answer review

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741. Complete the series: 11, 13, 17, 19, 23, 29, 31, 37, 41, _________?

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Answer: 43

Explanation Looking at the given numbers , we can see that they are all prime numbers. - The next prime number after 41 is 43. So, the missing number in the series is 43. Therefore, the completed series is: 11, 13, 17, 19, 23, 29, 31, 37, 41, 43. Additional information: - Prime numbers are natural numbers greater than 1 that have no positive divisors other than 1 and themselves .

742. The price of a book increases from Rs.120 to Rs.150. What is the percentage increases?

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Answer: 25%

Explanation Rs 150 - Rs 120 = Rs 30 30/120 x 100 = 25% . Solution for 30 is what percent of 120 100%/x%=120/30 (100/x)*x=(120/30)*x - we multiply both sides of the equation by x 100=4*x - we divide both sides of the equation by (4) to get x 100/4=x 25=x x=25 now we have: 30 is 25% of 120

743. Roni and Willy had a 100m race. Roni covered the distance in 45 sees and Willy covered the distance in 36 secs. Willy beats Roni by how much distance?

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Answer: 20m

Explanation Roni covers 100 meters in 45 seconds. Willy covers 100 meters in 36 seconds. Roni's speed: Speed of Roni = 100 m / 45 s ​ = 20 ​/9 m/s Distance Roni covers in 36 seconds: Distance = Speed × Time = 20/9 ​ × 36 = 80 m Since Willy finishes the race (100 m) when Roni has only covered 80 m, Willy beats Roni by: 100 − 80 = 20 m

744. The binary equivalent of decimal 13 is ______?

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Answer: 1101

Explanation Solution 13 ÷ 2 = 6, remainder 1 6 ÷ 2 = 3, remainder 0 3 ÷ 2 = 1, remainder 1 1 ÷ 2 = 0, remainder 1 Reading the remainders from bottom to top: 1101 So, 13 in binary = 1101 .

745. During the school assembly, 96 students are standing in 6 equal rows. How many students are there in 1 row?

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Answer: 16

Explanation To find the number of students per row, divide total students by number of rows: 96 ÷ 6 = 16 . Each row has an equal number of students, so 16 students are in each row.

746. If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is?

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Answer: 12 days

Explanation 4 women = 3 men 1 women = 3/4 men. 5 women = (3 *5)/4 = 15/4 men. 7 men + 5 women = 7 + 15/4 = 43/4 men. Now, 3 men can complete the work in 43 days. 1 men can complete it in = 43*3 43/4 men can complete = (43*3)/(43 /4) = (43 * 3 *4)/43 = 12 days.

747. There are two sections A and B of a class, consisting of 36 and 44 students respectively. If the average weight of section A is 40kg and that of section B is 35kg. Find the average weight of the whole class?

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Answer: 37.25 kg.

Explanation Total weight of (36 + 44) Students, = (36 × 40 + 44 × 35) kg = 2980 kg Therefore average weight of the whole class, = 298080 kg. Therefore average weight = 37.25 kg .

748. 20m building, from 15m away, find the aerial length ...?

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Answer: 25m

Explanation 20m b t h = the aerial distance. h² = 15²+20² h² = 225+400 h² = 625 h =25 The aerial distance is 25 meters

749. If GOAL is coded as LTFQ, then what is the code for BEAT?

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Answer: GJFY

Explanation Let's analyze the pattern: G -> L (shift of 3 letters forward in the alphabet: G=7, L=12, 12-7=5; however, considering a pattern, it seems more like each letter is shifted by its position or another pattern) O -> T (O=15, T=20, 20-15=5) A -> F (A=1, F=6, 6-1=5) L -> Q (L=12, Q=17, 17-12=5) Each letter is shifted 5 positions forward in the alphabet. Applying the same pattern to BEAT: B (2) -> G (7) E (5) -> J (10) A (1) -> F (6) T (20) -> Y (25) So, BEAT would be coded as GJFY .

750. The average age of 3 friends is 23. Even if the age of the 4th friend is added, the average remains 23. What is the age of the 4th friend?

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Answer: 23 years

Explanation Sum of the ages of 3 friends =3×23= 69 years Sum of the ages of 4 friends =4×23= 92 years ∴ Age of 4th friend = 92 years - 69 years = 23 years.

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