Basic maths MCQs | PscMcqs - Largest Mcqs Website

The average age of A and B is 24 years. If C replaced A, the average would be 20 and if C replaced by B, the average would be 22. What are the ages of A, B, and C respectively?

A. 26, 22, 18B. 13, 39, 34C. 29, 15, 33D. 9, 21, 39 Solution of This MCQ: A+B = 2*24 = 48B+C = 2*20 = 40A+C = 2*22 = 44A+B+C = 66Hence A = 26, B = 22 and C = 18 years.

What is the answer of (15/6)∗(2/3)?

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A. 3/5B. 2/5C. 5/3D. 5/2 Solution of this Mcq: We will use the multiplication property,=(15/6)∗(2/3)= (5/2)∗(2/3)= 5/3.

By using the properties of rational numbers solve the following equation (8 + 0) + (6 * 3).

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A. 26B. 24C. 28D. 0 Solution of this Mcq: Using the properties of rational numbers i.e. addition and multiplication,(8+0) + (6 * 3)= (8) + (18)= 26.

Which of the following type of numbers are closed under only multiplication?

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A. Rational NumbersB. IntegersC. Whole NumbersD. Natural Numbers

If nC8=nC12 what is the value of n?

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A. 5B. 10C. 15D. 20 Solution of the Mcq: n/ 12 ( n – 12 ) = n / 8 ( n – 8 )12 = n – 8n = 12 + 8 = 20n = 20.

Distribute Rs. 5800 among Yaser, Hiba, and Ali in such a way that if Yaser gets 2 parts then Hiba gets 3 parts, if Hiba gets 4 then Ali should get 3 parts. What would be the shares of Yaser, Hiba, Ali respectively?

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A. 1200, 1800, 1600B. 1000, 1200, 1500C. 1600, 2400, 1800D. 800, 1000, 1400 Solution of this Mcq We will take the ratio of all threeYaser:Hiba:Ali = 8 : 12 : 9The sum of the ratio is: 29NowIn order to take out Yaser’s share:8*5800⁄29 = 1600Simplified share of Yaser: 1600Similarly, follow the same procedure for the rest of … Read more

The ratio of income and expenditure of a man is 4 : 3 while the ratio of his saving and income is 1: 4. Find the ratio among his income, expenditure, and saving

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A. 2:3:6B. 2:3:5C. 1:4:3D. 1:6:2

Two numbers are in the ratio 4: 5. If 10 is subtracted from each, the new numbers are in the ratio of 16: 24. The smaller number is:

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A. 12B. 4C. 7D. 5

The fourth proportional to 5, 10, 25 is:

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A. 35B. 50C. 65D. 40

The salaries of Haider, Ijaz, and Qasim are in the ratio 2 : 3: 5. If the increments of 25percent, 15percent, and 20percent are allowed respectively in their salaries, then what will be the new ratio of their salaries?

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A. 4 : 4: 11B. 11 : 12: 21C. 50: 69: 120D. 110 : 50: 69