Question
Simplify the following expressions and choose the
correct option. 40% of 360 + 25% of 248 - 30Solution
40% of 360 = (40/100) * 360 = (2/5) * 360 = 144 25% of 248 = (1/4) * 248 = 62 Total = 144 + 62 = 206 206 - 30 = 176
- If 2x + 4y - 9 = 0, then find the value of 8x 3 Â - 723 + 64y 3 Â + 216xy.
What is the highest common factor of (x³ - x² - x - 15) and (x³ - 3x² - 3x + 9)?
If p = 40 - q - r and pq + r(q + p) = 432, then find the value of (p² + q² + r²).
(a+2 )² + (b-5)² + (c+3)² = 0
Find the value of √ (a + b + c) ?
...(408 × 680)÷(20% of 680) = (250 × 260)÷ 10 + ? – 4500
When 732 is divided by a positive integer x, the remainder is 12. How many values of x are there?
If (a2 + 1/a2) = 51, then find the value of (a3 - 1/a3).
If (p/q) = (7/8) and (q/r) = (3/11), then the find the value of {(r – p)/(p + q)}.
 + In a best-of-two chess match between Player X and Player Y, the probability that Player X wins a game is (5/9), and the probability that Player Y loses ...