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

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1. 3 boxes have some average weight .when one box which weight 89kg is replaced by another box ,the average weight increases by 5kg .how much the new box weight​?

Check answer and explanation

Answer: 104 kg

Explanation Let the original average weight of the 3 boxes = x kg So, total weight = 3x When a 89 kg box is replaced and average increases by 5 kg, New average = x + 5 New total = 3(x + 5) = 3x + 15 So the new box weight = (Old total - 89) + New box = New total ⇒ 3x - 89 + New box = 3x + 15 ⇒ New box = 3x + 15 - (3x - 89) = 104 kg

2. The product of 513 with itself is?

Check answer and explanation

Answer: 22.650

Explanation A number is a perfect square (or a square number) if its square root is an integer ; that is to say, it is the product of an integer with itself. Here, the square root of 513 is about 22.650 .

3. 9/11 + 5/7= ?

Check answer and explanation

Answer: 3/2

Explanation 9/11 + 5/7 = 3/2

4. If in a certain language, PROSE is coded as PPOQE, how is LIGHT coded in that code ?

Check answer and explanation

Answer: LGGFT

Explanation PROSE =P P O Q E LIGHT = LGGFT ==== The rule followed in coding PROSE is P+0=P R-2=P O+0=O S-2=Q E+0=E Therefore, the code for LIGHT is L+0=L I-2=G G+0=G H-2=F T+0=T Code is LGGFT

5. Given sequence: 4, 11, 7, 14, 10, 17, ______, 20.

Check answer and explanation

Answer: 13

Explanation Given sequence: 4, 11, 7, 14, 10, 17, __, 20 Two alternating series are used: First series: 4 → 7 → 10 → 13 ( +3 each time ) Second series: 11 → 14 → 17 → 20 ( +3 each time) Missing number: 13

6. 20% of number is 60. The number is

Check answer and explanation

Answer: 300

Explanation ND11-3-2023

7. In a class of 40 students 20% are girls. How many boys are there in the class?

Check answer and explanation

Answer: 32

Explanation If 20% of the students are girls, then the remaining percentage (100% - 20% = 80%) represents the boys. So, in a class of 40 students: 80% of 40 = (80/100) * 40 = 0.8 * 40 = 32 Therefore, there are 32 boys in the class.

8. The sum of 3 consecutive odd number is 51.The intermediate number is?

Check answer and explanation

Answer: 17

Explanation Let the first num=x second number will be=x+2 third num will be =x+4 Given condition x+x+2+x+4=51 3x+6=51 3x=51-6 3x=45 x=45/3=15 first number=15 2nd number=15+2=17 3rd number=17+2=19

9. The original price of a gift pack is Rs. 80. A discount of 15% is allowed in shop. What is a sake price?

Check answer and explanation

Answer: Rs.68

Explanation Discount = 15% of 80 = 0.15 * 80 = 12 Sale price = Original price - Discount = 80 - 12 = 68

10. Sum of 4 A.M between 18 and 3 is _____?

Check answer and explanation

Answer: 42

Explanation Arithmetic mean= (18+3)/2= 10.5 formula: sum of n A.M= n*A.M 4A.M=4*10.5 = 42

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