Average Mcqs

Q.  The average of 10 numbers is 23. If each number is increased by 4, what will the new average?

a. 22
b. 27
c. 25
d. 29


ANSWER: See Answer
 
Sum of the 10 numbers = 230
If each number is increased by 4, the total increase =
4 * 10 = 40
The new sum = 230 + 40 = 270 The new average = 270/10 = 27
MCQs:  The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average age of M boys is ‘b’ years and of ‘n’ girls ‘c’ years. The average age of all together is_________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A team of eight entered for a shooting competition. The best marks man scored 85 points. If he had scored 92 points, the average scores for. The team would have been 84. How many points altogether did the team score?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average salary of workers in an industry is Rs.200 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of first five prime numbers greater than 20 is____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of first 10 odd numbers is_____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of first 10 natural numbers is____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of first ten prime numbers which are odd is____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The average of first 10 even numbers is___________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Hafeez invested Rs. 15000 @ 10% per annum for one year. If the interest is compounded half-yearly, then the amount received by Hafeez at the end of the year will be?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A man saves Rs. 200 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12% p.a.?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Shohaib invested Rs. 8000 in a scheme for 2 years at compound interest rate 5% p.a. How much amount will Shohaib get on maturity of the fixed deposit?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Afnan wants to borrow Rs.6000 at rate of interest 6% p.a. at S.I and lend the same amount at C.I at same rate of interest for two years. What would be his income in the above transaction?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Rayan invested certain amount for two rates of simple interests at 6% p.a. and 7% p.a. What is the ratio of Rayan’s investments if the interests from those investments are equal?
Category: Mathematics Quizzes,   Published by: T-Code Scripts