Math Is Fun Forum / Objective Type

bobbym · 2012-10-12 19:16:05

Hi;

ganesh · 2012-10-13 23:16:28

Hi bobbym,

The answers 160 and 161 are correct. Well done!

162. A point in

is ______________
(a) (1,1)
(b) (2,3)
(c) (0,2)
(d) (2,1)

163. Slope of 2y = 3x is _______________
(a) 3
(b) 2
(c) 3/2
(d) -3

bobbym · 2012-10-13 23:22:06

Hi;

ganesh · 2012-10-14 16:50:17

Hi bobbym,

The answers 162 and 163 are correct. Well done!

164. In a sequence if a_n = 5n - 4, then a₅ is ______________
(a) 29
(b) 21
(c) 6
(d) 14

165.

is __________________
(a) 1
(b) -1
(c) x - 2
(d) 2x

bobbym · 2012-10-14 20:06:10

Hi;

ganesh · 2012-10-15 18:10:53

Hi bobbym,

The answers 164 and 165 are correct. Well done!

166. The equation of a line parallel to X-axis and passing through (3,2) is ______________
(a) y - 2 = 0
(b) x - 2 = 0
(c) x + 3 = 0
(d) y + 2 = 0

167. The range of the data 27, 35, 25, 45, 67 is _________________
(a) 40
(b) 42
(c) 10
(d) 89

bobbym · 2012-10-15 23:53:34

Hi;

ganesh · 2012-10-16 18:22:39

Hi bobbym,

The answers 166 and 167 are correct. Well done!

168. The angle of elevation of the top of a tower at a distance of 60 meters is found to be 45^o. The height of the tower is __________________.
(a) 60 meters
(b) 20√3 meters
(c) 45 meters
(d) 60√3 meters

169. Standard Deviation of 10 values is 4. If each value is increased by 3, then the new Standard Deviation is ___________________
(a) 7
(b) 13
(c) 4
(d) 17

bobbym · 2012-10-16 21:01:46

Hi;

Shivamcoder3013 · 2012-10-17 08:37:05

167. b) 42

ganesh · 2012-10-17 17:45:27

Hi,

Shivamcoder3013 (167) and bobbym (168 and 169) : The answer(s) is/are correct. Well done!

170. In an Arithmetic Progression, if t_n = 7n - 3, then the common difference is ____________
(a) 3
(b) 4
(c) 7
(d) 10

171. The term that has to be added to x² + 16x to make it a perfect square is ______________
(a) 16
(b) 64
(c) 8
(d) 36

bobbym · 2012-10-17 20:51:17

Hi;

ganesh · 2012-10-18 20:19:23

Hi bobbym,

The answers 170 and 171 are correct. Well done!

172. Parallelogram inscribed in a circle is a _______________
(a) rectangle
(b) square
(c) trapezium
(d) quadrilateral

173. The mid-point of the line segment joining the points (1,-3) and (-5,7) is _________________
(a) (-3,-5)
(b) (-2,2)
(c) (3,5)
(d) (-4,4)

bobbym · 2012-10-18 20:53:28

Hi;

ganesh · 2012-10-19 15:13:46

Hi bobbym,

The answers 172 and 173 are correct. Well done!

174. Area of a triangle whose vertices are (0,0), (2,0), and (0,2) is _________________
(a) 1 square unit
(b) 1/2 square unit
(c) 2 square units
(d) 0 square unit

175. 1 - tan²45^o = ______________
(a) 1
(b) 0
(c) 2/3
(d) 2

bobbym · 2012-10-19 15:53:41

Hi;

ganesh · 2012-10-20 17:11:39

Hi bobbym,

The answers 174 and 175 are correct. Well done!

176. The Greatest Common Divisor of 3a²b and 15ab² is _______________
(a) 3ab
(b) 15a²b²
(c) 3a²b²
(d) 3ab²

177. A die is rolled once. The probability of getting a prime number is _________________
(a) 1/3
(b) 1/2
(c) 2/3
(d) 1/6

bobbym · 2012-10-20 19:36:49

Hi;

ganesh · 2012-10-25 16:04:09

Hi bobbym,

The answers 176 and 177 are correct. Well done!

178. A point in

is _____________
(a) (2,2)
(b) (0,2)
(c) (3,0)
(d) (0,4)

179. Standard Deviation of the data 5, 10, 20, 25 is 5√2. If we add 3 to each term, then the new Standard Deviation is _____________
(a) 3 + 5√2
(b) 8√2
(c) 5√2
(d) 2√2

bobbym · 2012-10-25 16:30:13

Hi;

ganesh · 2012-10-26 14:56:26

Hi bobbym,

The answers 178 and 179 are correct. Well done!

180. In an Arithmetic Progression, if t_n = 4n + 5, then the common difference is ________________.
(a) 5
(b) 4n
(c) 4
(d) 5n

181. If -33(mod 9) = x, then the value of x is ____________
(a) 3
(b) 4
(c) 5
(d) -3

bobbym · 2012-10-26 16:14:50

Hi;

ganesh · 2012-10-27 20:26:49

Hi bobbym,

The answer 180 is correct. Well done!
The answer 181 I get is (d).

182. If f(x) = 2x, g(x) = 1/2(x), then f o g (x) = _________________
(a) x²
(b) 2x²
(c) x
(d) 2x

183. A point on

is _______________
(a) (3,2)
(b) (2,2)
(c) (1,3)
(d) (-1,4)

bobbym · 2012-10-27 20:43:10

Hi ganesh;

ganesh · 2012-10-28 15:51:18

Hi bobbym,

You are right. Your answer 181 is correct. Well done!
The answers 182 and 183 are correct. Well done!

184. Slope of the line 2x = y is ______________
(a) 2
(b) -2
(c) 1/2
(d) -1/2

185. Area of the triangle whose vertices are (0,0), (1,0), (0,1) is _______________
(a) 1 square unit
(b) 1/2 square unit
(c) 2 square units
(d) 0 square unit

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#201 2012-10-12 19:16:05

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#202 2012-10-13 23:16:28

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#203 2012-10-13 23:22:06

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#204 2012-10-14 16:50:17

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#205 2012-10-14 20:06:10

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#206 2012-10-15 18:10:53

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#207 2012-10-15 23:53:34

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#208 2012-10-16 18:22:39

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#210 2012-10-17 08:37:05

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#211 2012-10-17 17:45:27

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#212 2012-10-17 20:51:17

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#213 2012-10-18 20:19:23

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#214 2012-10-18 20:53:28

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#216 2012-10-19 15:53:41

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#217 2012-10-20 17:11:39

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#218 2012-10-20 19:36:49

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#219 2012-10-25 16:04:09

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#220 2012-10-25 16:30:13

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#221 2012-10-26 14:56:26

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#222 2012-10-26 16:14:50

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