DELSU Mathematics 2016/2017 Past Questions

The common ratio of GP is 2. If the 5th term is greater than the first by 45, find the 5th term.

Two fair coins are tossed once. The probability of getting at least one tail is?

There are 22 boys in a class and 18 girls. If a student is chosen at random, what is the probability that this students is a girl

In a science class of 42 students, each student offers at least one of math and physics. If 22 students offer physics and 28 students offer math, find how many students offer both subjects.

The variance of given distribution is 25. What is the standard deviation?

If the mean of the frequency distribution below is 5.2, find y
$$\begin{matrix}x & 2&4&6&8 \\ y & 4&Y&6&5 \end{matrix}$$

If the mean of 4, 6, 9, y, 16 and 19 is 13, what is the value of y

Simplify  2√3 - $$\frac6{\sqrt3} + \frac3{\sqrt{27}}$$

Given that 4P4= 119₁₀, find the value of P.

If ½ log_x81 = 2, find x

Simplify $${(\frac{16}{81})^{\frac14}}$$

If sin (x+30)° = cos 40°,find x

P varies inversely as the square of W. when W = 4, P= 9. Find the value of P when W = 9. Find the value of P when W.

What is the common difference of the sequence -4, -1, +2, …?

Find the sum of the first five terms of the G.P 2,6,18, …

If 6B4R2 = 13 and 4B7R2 = 15, find 18B2

If 4B7R2 = 15 and 6B4R2 = 13, find 4B3R2

Which of the following is odd

9A8 = [ ]

16A12 = [ ]

4A(3A2) = [ ]

4A[ ]= 18

20A12 = [ ]

30A15 = [ ]

14A7 = [ ]

2A(7A5)=()

15 N 3 = [ ]

Cost price of 15 tables is equal to the selling price of 20 tables and then loss percent would be

22% of 200 = ?

41 % equals