Fractions Decimals Approximations And Percentages - Mathematics Jamb Past Questions and Answers

Question 46 :

• JAMB 2015

Simplify 1¼ ÷ (2 ÷ ¼ of 28)

A. 1 \( \frac{3}{8}\)
B. 2 \( \frac{3}{4}\)
C. 4 \( \frac{3}{8}\)
D. 3 \( \frac{1}{5}\)

Question 47 :

• JAMB 2015

If three staff of Myschool Limited agreed to share their salary arrears in the ration of their ages, which are 18 years, 20 years, 22 years respectively. If the sum of the money collected is N120,000.00K, How much does the second staff received?

A. N36,000
B. N44,000
C. N40,000
D. N15,000

Question 48 :

• JAMB 2015

A man with an annual salary of N2000, has allowances of N600. If Income Tax is 5%. How much tax does he pay each year?

A. 15
B. 20
C. 30
D. 25

Question 49 :

• JAMB 2015

The amount A to which a principal P amounts at r% compound interest for n years is given by the formula A = P(1 + (r ÷ 100)\(^n\). Find A, if P = 126, r = 4 and n = 2.

A. N132.50K
B. N136.30K
C. N125.40K
D. N257.42K

Question 50 :

• JAMB 2015

Find at which rate per annum simple interest N525 will amount to N588 in 3 years.

A. 3%
B. 2%
C. 5%
D. 4%