NDA Mathematics 2018/2019 Past Questions

A number of the form An² + bn² + Cn + d where A = 4, b = 2, c = 2, d = 1 and n = 10, is divisible by __.

Find X if 9^x-2 = 81

Solve for Sin X, if Sin²x + Sin x - 2 = 4

In the figure below if AB = 8, BD = 2, AC = 10, DE = 6. Calculate AE.

The mean of four numbers is 5 and the mean deviation is 3. Find the fourth number if the mean deviation of the first 3 numbers is 2.

If a block of height 2.5 cm represents 100 goats, how high should the block be to represent 170 goats.

Find the angle between the straight lines y=4x-7 and y =3x + 1.

A cadet jogged at 20km/h from Old Site to New Site and on his return, he jogged at 15km/h. Find his average speed for the jogging exercise.

The points of intersection between 3x - y = 7 and x + 2y - 4 = 0 is

_____ is a sub set of the co-domain

The sum of first 10 terms of an AP is 30 and its 12th term is 36. Find the first term and the common difference.

For what values of x is x + 3(2-x) ≥ 4-x ?

John writes 8 papers and failed 3 papers, Joel wrote 6 papers and failed 2 papers. If one of them is called and then a paper is selected, what is the probability that the failed paper is selected.

Find the compound interest on ₦450 in 3 years at 4% per annum. Correct to the nearest tenth number.

Solve the equation $20/x = {20-1}/{x-1}$

Find the principal which amount to ₦5,500 at simple interest in 5 years at 2% per annum

The sum of four numbers is 1214₅. What is the average expressed in based five?

Which of the following represent the shaded portion in the figure below?

The triangle PQR below is ______.

Given U = {Even numbers between 0 and 30}
P = {Multiples of 6 between 0 and 30}
Q = {Multiples of 4 between 0 and 30}
Find (PՈQ)'