Mix Review Worksheet-16

mental maths tests year 5

Mix Review Worksheet-16

 

  1. 16 : 24 = _______

       A. 2 : 3                B. 22 : 33           C. 18 : 27           D. all the above

 

  1. In a class there are 50 boys and 30 girls. The ratio of the number of boys to the number of girls in the class is:

       A. 80 : 50          B. 3 : 5                C. 5 : 3                D. none of these

 

  1. The average of 33.5, 30.4, 25.6, 31.5 and 29 is:

       A. 28.5               B. 30                   C. 29.7                D. 30.4

 

  1. In a bundle of 20 sticks, there are 4 sticks each of length 1 m 50 cm, 10 sticks each of length 2 m and each of the rest of length 1 m. What is the average length of the sticks in the bundle?

       A. 1.2 m              B. 1.5 m              C. 1.6 m              D. 1.8 m

 

  1. The average of 0.3, 0.03 and 0.003 is _____.

       A. 0.3                  B. 0.1                  C. 0.111               D. none of these

 

  1. The average of 5,0,6, 1/4 and 8(3/4) is:

       A. 1                      B. 2                     C. 3                     D. 4

 

  1. The average temperature of the first three days of a week is 27°C and the next three days is 29°C. What is the average temperature of the entire week?

       A. 31.5°C            B. 28°C              C. 21°C               D. 42°C

 

  1. 12(1/2)% of ___ = 35% of 700.

       A. 490                B. 500                C. 1960               D. 1800

 

  1. In an election between two candidates, the candidate who gets 30% of the votes polled is defeated by 15,000 votes. What is the number of votes polled by the winning candidate?

       A. 11,250            B. 15,000           C. 26,250           D. 37.500

 

  1. The salary of a man has increased by 20%. If he now gets Rs.3,000 his salary before the increase was:

       A. Rs.2, 000     B. 2,300             C. Rs.2, 400      D. 2,500

 

Answer Key:

(11)-D; (12)-C; (13)-B; (14)-C; (15)-C; (16)-D; (17)-B; (18)-C; (19)-C; (20)-D