A) a = 41 and b = 12 done clear
B) a = 25 and b = 13 done clear
C) a = 36 and b = 5 done clear
D) a = 14 and b = 21 done clear
E) None of these done clear
View Answer play_arrowA) \[(x+y+z)(x-y)(y-z)(z-x)\] done clear
B) \[(x+y+z)(x-y-z)(x-y)(y-z)\] done clear
C) \[(x+y+z)(x-y)(y-z)(x-z)\] done clear
D) \[({{x}^{3}}+{{y}^{3}}+{{z}^{3}})(x-y)(y-z)(z-x)\] done clear
E) None of these done clear
View Answer play_arrowquestion_answer3) If, \[{{\log }_{4}}x+{{\log }_{2}}x=6\] then x must be equal to:
A) 16 done clear
B) 10 done clear
C) \[-2\] done clear
D) 1 done clear
E) None of these done clear
View Answer play_arrowA) \[x\text{ }=\text{ }16\text{ }and\text{ }y\text{ }=-9\] done clear
B) (b)\[x\text{ }=-16\text{ }and\text{ }y\text{ }=\text{ }9\] done clear
C) \[x\text{ }=-2\text{ }and\text{ }y\text{ }=\text{ }3\] done clear
D) \[x\text{ }=\text{ }5\text{ }and\text{ }y\text{ }=2\] done clear
E) None of these done clear
View Answer play_arrowA) 11 cm done clear
B) 12 cm done clear
C) 6.5 cm done clear
D) 5 cm done clear
E) None of these done clear
View Answer play_arrowquestion_answer6) Which one of the following statements is incorrect?
A) The quadrilateral formed by joining the mid-points of adjacent sides of a rectangle is always a rhombus done clear
B) The quadrilateral formed by joining the mid-points of the pair of adjacent sides of a rhombus is always a rectangle done clear
C) The line segment joining the mid-points of the sides of a triangle divide it into three congruent triangle done clear
D) The quadrilateral formed by joining the mid points of the pairs of adjacent sides of a square is always a square done clear
E) None of these done clear
View Answer play_arrowA) 3 cm done clear
B) 5 cm done clear
C) 6 cm done clear
D) 7 cm done clear
E) None of these done clear
View Answer play_arrowA) 2 : 3 done clear
B) 3 : 4 done clear
C) 1 : 2 done clear
D) 4 : 5 done clear
E) None of these done clear
View Answer play_arrowA) 1435 m done clear
B) 1732 m done clear
C) 4325 m done clear
D) 1712 m done clear
E) None of these done clear
View Answer play_arrowA) (a)\[1870\,\,{{m}^{3}}\] done clear
B) \[2280\,\,{{m}^{3}}\] done clear
C) \[3150\,\,{{m}^{3}}\] done clear
D) \[2890\,\,{{m}^{3}}\] done clear
E) None of these done clear
View Answer play_arrowClass interval | Frequency | Class interval | Frequency |
0-10 | 5 | 30-40 | 3 |
10-20 | x | 40-50 | y |
20-30 | 4 | 50-60 | 2 |
A) x = 12 and y = 6 done clear
B) x = 3 and y = 6 done clear
C) x = 2 and y = 6 done clear
D) x = 2 and y = 5 done clear
E) None of these done clear
View Answer play_arrowA) \[\frac{1}{4}\] done clear
B) \[\frac{1}{2}\] done clear
C) \[\frac{1}{3}\] done clear
D) \[\frac{3}{4}\] done clear
E) None of these done clear
View Answer play_arrowquestion_answer13) If sum of x and x + 3 is greater than 20, find the possible value of x.
A) \[-\]9 done clear
B) 6\[-\] done clear
C) \[-\]2 done clear
D) 10 done clear
E) None of these done clear
View Answer play_arrowA) 10 done clear
B) 15 done clear
C) 25 done clear
D) 22 done clear
E) None of these done clear
View Answer play_arrowA) 19th done clear
B) 21st done clear
C) 20th done clear
D) 27th done clear
E) None of these done clear
View Answer play_arrowA) 13 km done clear
B) 20 km done clear
C) 21 km done clear
D) 15 km done clear
E) None of these done clear
View Answer play_arrowquestion_answer17) If \[{{7}^{1+x}}+{{7}^{1-x}}=50\], then x is:
A) \[\underline{+}\]2 done clear
B) \[\underline{+}\]3 done clear
C) \[\underline{+}\]1 done clear
D) \[\underline{+}\]5 done clear
E) None of these done clear
View Answer play_arrowA) 1 done clear
B) \[-\]1 done clear
C) 2 done clear
D) 3 done clear
E) None of these done clear
View Answer play_arrowquestion_answer19) \[\frac{50}{x}=\frac{x}{12\frac{1}{2}}\], then x is:
A) \[\frac{25}{2}\] done clear
B) 4 done clear
C) 25 done clear
D) \[\frac{3}{25}\] done clear
E) None of these done clear
View Answer play_arrowquestion_answer20) Factorise: \[{{(a-b)}^{3}}+{{(b-c)}^{3}}+{{(c-a)}^{3}}\]
A) \[3(a+b)(a+c)+(c-a)\] done clear
B) \[3(a-b)(b-c)(c+a)\] done clear
C) \[3(a-b)(b+c)(c+a)\] done clear
D) \[3(a-b)(b-c)(c-a)\] done clear
E) None of these done clear
View Answer play_arrowA) 1 done clear
B) 0 done clear
C) 3 done clear
D) 7 done clear
E) None of these done clear
View Answer play_arrowA) 2 done clear
B) 1 done clear
C) 0 done clear
D) 5 done clear
E) None of these done clear
View Answer play_arrowquestion_answer23) Simplify: \[\frac{\sqrt{3}-1}{\sqrt{3}+1}+\frac{\sqrt{3}+1}{\sqrt{3}-1}\]
A) \[2+\sqrt{3}\] done clear
B) \[2-\sqrt{3}\] done clear
C) 2 done clear
D) 4 done clear
E) None of these done clear
View Answer play_arrowYou need to login to perform this action.
You will be redirected in
3 sec