If a - b = 18.4 and a + b = 15, what is the value of a² - b²?
Anonymous Quiz
44%
276
21%
33.4
23%
184
13%
270.4
👏3🤔2
Which of the following is the equation of circle whose center is C(2, -3), and its radius is 5 ?
Anonymous Quiz
9%
(x+2)² + (y - 3)² = 5
22%
(x + 2)² + (y - 3)² = 25
31%
(x - 2)² + (y + 3)² = 5
38%
(x - 2)² + (y + 3)² = 25
❤4
The sum and product of two numbers are 12 and 35 respectively. Then the sum of their reciprocals will be:
Anonymous Quiz
50%
12/35
23%
1/35
17%
35/8
11%
7/32
If 10 men can do a piece of work in 12 days, the time taken by 12 men to do the same piece of work will be:
Anonymous Quiz
17%
12 days
19%
9 days
48%
10 days
16%
8 days
Which of the following statement is true about alkane and alkene?
Anonymous Quiz
76%
Alkanes are saturated hydrocarbo, whereas alkenes are unsaturated hydrocarbons.
14%
Alkanes are unsaturated hydrocarbon, whereas alkenes are saturated hydrocarbons.
8%
Both alkanes and alkenes are saturated hydrocarbons.
3%
Both alkanes and alkenes are unsaturated hydrocarbons.
Which one of the following is the fractional form of the decimal 0.777...?
Anonymous Quiz
57%
7/9
6%
9/7
25%
77/100
12%
7/10
❤3
Which one of the following is a common multiple of 324 and 1152?
Anonymous Quiz
9%
7776
55%
20736
20%
5184
15%
13824
❤5
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What is the next number in the sequence: 2, 6, 12, 20, 30, ...?
Anonymous Quiz
17%
40
73%
42
3%
44
7%
46
🥰1
❤4
What is the next term in the sequence 1, 1, 2, 3, 5, 8, 13, ...?
Anonymous Quiz
49%
21
12%
14
18%
20
21%
18
If x² + y² = 2ab and 2xy = a² + b², with a> 0, b > 0, x > 0, and y > 0 then x + y is equal to:
Anonymous Quiz
47%
a + b
19%
a - b
19%
ab
14%
a² + b²
🔥1
Consider ∆ABC with right angle at C and measure of angle ABC = 55°. If the length of AC is 10 units, then what is the area of the triangle?
( Given tan 35°= 0.7 and tan 55° = 1.43)
( Given tan 35°= 0.7 and tan 55° = 1.43)
Anonymous Quiz
30%
35 sq. units
25%
70 sq. units
37%
5√149 sq. units
9%
10√149 sq. units
❤5
Which one of the following is necessarily true about any real number x and y where x < 0 < y?
Anonymous Quiz
19%
( x + y ) < 0
25%
|y - x| = -( y- x )
22%
( x + y ) > 0
34%
|x - y| = -(x - y)
😢1
Which of the following organs is primarily responsible for filtering and excreting waste products from the blood?
A) Liver
B) Kidneys
C) Lungs
D) Heart
Write your answer under the comment! 🙏
A) Liver
B) Kidneys
C) Lungs
D) Heart
Write your answer under the comment! 🙏
❤3
If Log(2) = x and Log(3) = y then Log(6) is equal to:
Anonymous Quiz
31%
xy
47%
x + y
14%
2x + 2y
8%
x² + y³