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

Practise 100 Most Repeated MCQs of Math MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.

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

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

831. p is 5 times bigger than q how many from q, pThe percentage is low.

Check answer and explanation

Answer: 80%

Explanation P is 5 time large as Q p=5q q =p/5 The percentage that q is less than p=p-q/p*100 =(1-1/5)*100 =4/5*100=4*20 =80%

832. A wall constructed to resist the pressure of an earth filling is called

زمین کے بھرنے کے دباؤ کو روکنے کے لیے بنائی جانے والی دیوار کیا کہلاتی ہے۔

Check answer and explanation

Answer: Retaining wall

Explanation

833. A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percentage is:

Check answer and explanation

Answer: 5%

Explanation Cost Price of 56 kg rice = Rs. (26 × 20 + 30 × 36) = Rs. (520+1082) = Rs.1600. Selling Price of 56 kg rice = Rs. ( 56 × 30 ) = Rs. 1680. Profit = Selling Price - Cost Price = 1680 - 1600. Profit Percentage = Profit / Cost price × 100 = 800/1600 × 100 = 5%

834. A drink contains 20% mango juice and the rest is apple juice. What is the ratio of mango juice to apple juice?

Check answer and explanation

Answer: 1:4

Explanation If mango juice is 20% , then apple juice is 80% (since 100% – 20% = 80%). The ratio of mango to apple juice is 20:80 , which simplifies to 1:4 .

835. If the length of a square shaped crop field is 31 meters, what will be its perimeter?

Check answer and explanation

Answer: 124 meters

Explanation Given: Side length of square = 31 meters Perimeter formula: P = 4 × side P = 4 × 31 P = 124 meters

836. 60% of a number is added to 120, the result is the same number. Find the number?

Check answer and explanation

Answer: 300

Explanation (60/100) * X + 120 = X 2X = 600 X = 300

837. Look at this series: 58, 52, 46, 40, 34. What number should come next?

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Answer: 28

Explanation 28+6= 34 34+6= 40 40+6= 46 46+6= 52 52+6= 58

838. A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is _____?

Check answer and explanation

Answer: Rs. 698

Explanation S.I. for 1 year = Rs. (854 - 815) = Rs. 39. S.I. for 3 years = Rs. (39 x 3) = Rs. 117. Therefore Principal = Rs. (815 - 117) = Rs. 698 .

839. A man has 42 blue socks, 15 red socks, 24 black socks in one box. It is totally dark and can not recognize the colors. How many socks does he have to take out of the box into the light in orders to be sure to have at least two black socks?

Check answer and explanation

Answer: 59

Explanation To guarantee at least 2 black socks, consider the worst-case scenario where he draws all non-black socks first. Total non-black socks = 42 (blue) + 15 (red) = 57 To guarantee 2 black socks, he needs to draw enough socks so that even if the first 57 are non-black, the next draws will include at least 2 black socks. So, he draws 57 (non-black) + 2 (black) = 59 socks .

840. If 6 × 2 = 31, 8 × 4 = 42, 2 × 2 = 11, 6 × 6 = 33, then 8 × 6 = ?

Check answer and explanation

Answer: 43

Explanation Step 1: Take half of the first number. Step 2: Take half of the second number. Step 3: Concatenate the two halves (treating them as digits). Let's verify with the given examples: 6 × 2: Half of 6 is 3 and half of 2 is 1 . Concatenating these gives 31 . 8 × 4: Half of 8 is 4 and half of 4 is 2 . Concatenating these gives 42 . 2 × 2: Half of 2 is 1 and half of 2 is 1 . Concatenating these gives 11 . 6 × 6: Half of 6 is 3 and half of 6 is 3 . Concatenating these gives 33 . Now, apply the same logic to 8 × 6 : Half of 8 is 4 . Half of 6 is 3 . When you concatenate 4 and 3 , you get 43 . Thus, the answer to 8 × 6 = 43 .

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