Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 134 and 135 are correct. Well done!

136. The largest value of a data is 98. If the range of the data is 73, then the smallest value of the data is ____________

(a) 25

(b) 171

(c) 95

(d) 28

137. Two coins are tossed simultaneously. The probability of getting two heads is _________________.

(a) 2/4

(b) 1/4

(c) 3/4

(d) 1

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 136 and 137 are correct. Well done!

138. The common difference of an Arithmetic Progression 3, 1, -1, -3, .... is _______________

(a) 2

(b) -2

(c) 1/3

(d) 3

139. The value of 1 + 2 + 3 + 4 + ...... + 20 is _______________

(a) 210

(b) 420

(c) 400

(d) 230

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 138 and 139 are correct. Well done!

140. If f(x) = x + 5, then the value of f(-3) is _____________

(a) 2

(b) -2

(c) -15

(d) 15

141. The Greatest Common Divisor of

is ___________(a) P[sup]8[/sup]

(b) P[sup]7[/sup]

(c) P[sup]12[/sup]

(d) P[sup]27[/sup]

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 140 and 141 are correct. Well done!

142. The solution set of (x - 5)(x + 2) = 0 is ____________

(a) {-5,2}

(b) {5, -2}

(c) {5,2}

(d) {-5,-2}

143. A point on

is ______________(a) (3,4)

(b) (3,0)

(c) (1,0)

(d) (2,2)

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 142 and 143 are correct. Well done!

144. The slope of the line 3x + 2y = 5 is ____________

(a) 3/2

(b) -3/2

(c) 2/3

(d) -2/3

145. The equation of the line with the slope 5, which passes through the origin, is ______________

(a) 5y = -x

(b) 5y = x

(c) y = 5x

(d) y = -5x

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 144 and 145 are correct. Well done!

146. If the largest value of a data is 25, the range of the data is 15, then the smallest value of the data is ____________

(a) 10

(b) -10

(c) 40

(d) -40

147. When a fair die is rolled, then the probability of getting 3 on the face of the die is ___________

(a) 1/2

(b) 1/4

(c) 1/6

(d) 1/3

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 146 and 147 are correct. Well done!

148. The commin ratio of the Geometric Progression 2, 6, 18, ..... is ______________

(a) 4

(b) 3

(c) -3

(d) 12

149. If f(x) =

, then the value of f(2) is _______________(a) 13/3

(b) 3

(c) 23

(d) 7

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 148 and 149 are correct. Well done!

150. Greatest Common Divisor of

is ____________(a) a

(b) m

(c) a[sup]m[/sup]

(d) a[sup]m+2[/sup]

151. If the roots are imaginary, then the value of b[sup]2[/sup] - 4ac is __________

(a) 0

(b) <0

(c) >0

(d) +4

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 150 and 151 are correct. Well done!

152. A point that satisfies

is __________(a) (7,0)

(b) (3,-3)

(c) (4,2)

(d) (-1,4)

153. If 7 and 24 are the two sides of a right-angled triangle, then the hypotenuse is ___________

(a) 25

(b) 31

(c) 168

(d) 17

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 152 and 153 are correct. Well done!

154. If the variance of a data is 1.44, then the standard deviation is ___________

(a) 1.2

(b) 12

(c) 72

(d) 44

155. When a coin and a die are thrown at a time, the number of elements in the sample space is ______________

(a) 2

(b) 6

(c) 12

(d) 36

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 154 and 155 are correct. Well done!

156. The slope of the line y = mx + c is _____________

(a) m

(b) c

(c) m/c

(d) c/4

157. The mid-point of the line segment joining the origin and (4,8) is ___________

(a) (0,4)

(b) (0,8)

(c) (2,4)

(d) (4,2)

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 156 and 157 are correct. Well done!

158. The surface area of a sphere is

square centimeters. Its radius is _____________(a) 25 cm

(b) 100 cm

(c) 5 cm

(d) 10 cm

159. If A = {a,b,c,d,e}, B = {b,d,f}, then A - B is ___________

(a) {a,b,c,d,e,f}

(b) {a,c,e,f}

(c) {b,d}

(d) {a,c,e}

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,832

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,794

Hi bobbym,

The answers 158 and 159 are correct. Well done!

160. If f(x) = x + 5 and g(x) = x[sup]2[/sup], then f o g is _______________

(a) x[sup]2[/sup] + 5

(b) (x + 5)[sup]2[/sup]

(c) x[sup]2[/sup] + 25

(d) x[sup]2[/sup] + 10

161. The Greatest Common Divisor of

is _____________(a) x[sup]10[/sup]

(b) x[sup]6[/sup]

(c) x[sup]16[/sup]

(d) x[sup]4[/sup]

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline