First 13 whole numbers = 0, 1, 2, …….., 15, 16 total of numbers =0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16=136 Average = 136/17=8.
I. x2 + 13x + 42 = 0
II. y² + 13y + 40 = 0
What is the speed of the stream if a ship takes 15 hours to travel 240 km in calm waters, given that the ratio of its speed against the current to its s...
I. 3x2 – 16x + 21 = 0
II. y2 – 13y + 42 = 0
I. x3 = 1728
II. y2 – 15y + 56 = 0
I. 2x² - 7x + 3 = 0
II. 8y² - 14y + 5 = 0
I. 2y2 + 31y + 99 = 0
II. 4x2 + 8x – 45 = 0
How many values of x and y satisfy the equation 2x + 4y = 8 & 3x + 6y = 10.
I. 3p² - 17p + 22 = 0
II. 5q² - 21q + 22 = 0
If 4x = 40, 3y = 33, what is the value of 6x + 4y?
I. (x13/5 ÷7) = 5488 ÷ x7/5
II. (y2/3 × y2/3 ) ÷ √4 = (343y)1/3...
