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Questions in the Topic: Grade 8 - Math Olympiad
  • Diyaa
     
     
    When a coffee mug is one fifth empty it can hold 300 ml more coffee than when it is one fifth full. What is capacity of the mug?

      0
     Views: 96
      No recent comment
     
  • Trisha Mishra
     
     
    What is each exterior angle of a regular nonagon?

      0
     Views: 64
      No recent comment
     
  • Yogesh P
     
     
    what is the cube of 998999898

      0
     Views: 98
      No recent comment
     
  • Neel Shah
     
     
    The smallest natural number by which 432 should be divided, so that the resultant number is a perfect cube is _____
    (A) 5
    (B) 3
    (C) 2
    (D) 6


      9
     Views: 218
      on 10/1/17
     
  • Neel Shah
     
     
    The square root of 4.78 ( correct upto 2 decimal places ) is _______
    (A) 2.18
    (B) 2.16
    (C) 2.19
    (D) 2.20


      0
     Views: 199
      on 1/9/17
     
  • Neel Shah
     
     
    What is the smallest number to be subtracted from 549162 in order to make it a perfect square?
    (A) 28
    (B) 36
    (C) 62
    (D) 81


      0
     Views: 151
      on 1/9/17
     
  • Abishek
     
     
    IF A=A B=D C=F D=O THEN WHAT IS E= [A] T [B] Y [C] J [D] None Of These

      1
     Views: 195
      on 1/9/17
     
  • Hemant Joshi
     
     
    The volume of a cube is 512 cm$^3$. Its surface area is
    (A) 64 cm$^2$
    (B) 256 cm$^2$
    (C) 384 cm$^2$
    (D) 512 cm$^2$


      6
     Views: 232
      on 4/10/16
     
  • Hemant Joshi
     
     
    In a row of trees, one tree is fifth from either end of the row. How many trees are there in the row ?
    (A) 8
    (B) 10
    (C) 9
    (D) 11


      6
     Views: 260
      on 4/10/16
     
  • Hemant Joshi
     
     
    What least number must be subtracted from 176 to make it a perfect square ?
    (A) 32
    (B) 16
    (C) 20
    (D) 7


      16
     Views: 213
      on 4/10/16
     
  • Hemant Joshi
     
     
    Seen through a mirror, the arms of a clock show 9:30. What is actual time ?
    (A) 2:30
    (B) 3.30
    (C) 6.30
    (D) 6.10


      11
     Views: 395
      on 4/10/16
     
  • Aum Patil
     
     
    If the area of a triangle with base x is equal to area of a square of side x, the altitude of the triangle is
    (A) $x/2$
    (B) x
    (C) $√{2x}$
    (D) 2x


      11
     Views: 286
      on 28/9/16
     
  • Aum Patil
     
     
    The length of the minute had on a wall clock is 7 cm. The area swept by the minute hand in 30 minutes is
    (A) 147 cm$^2$
    (B) 210 cm$^2$
    (C) 154 cm$^2$
    (D) 77 cm$^2$


      6
     Views: 290
      on 2/10/16
     
  • Aum Patil
     
     
    If the radius of a cone is increased by 100 %, its volume is increased by
    (A) 100 %
    (B) 200 %
    (C) 300 %
    (D) 400 %


      1
     Views: 224
      on 31/10/16
     
  • Aum Patil
     
     
    If 4 workers can make 42 toys in 6 days, how many toys can 12 workers make in 3 days ?
    (A) 63
    (B) 28
    (C) 252
    (D) 7


      0
     Views: 245
      No recent comment
     
  • Aum Patil
     
     
    The measure of an angle which is four times its supplement is
    (A) 30$°$
    (B) 36$°$
    (C) 150$°$
    (D) 144$°$


      2
     Views: 200
      on 10/1/17
     
  • Ashima Roy
     
     
    If ${x + c}/{x + 1}$ = c + 1, then x =
    (A) $-1/c$
    (B) c - 2
    (C) ${c - 1}/c$
    (D) ${c - 1}/{c + 1}$


      16
     Views: 348
      on 22/9/16
     
  • Ashima Roy
     
     
    The area of a circle that is inscribed in a right triangle with sides of length 8 m, 15 m and 17 m is :
    (A) 9$π$ m$^2$
    (B) 11 $1/9$ $π$ m$^2$
    (C) 14 $π$ m$^2$
    (D) 10 $π$ m$^2$


      12
     Views: 234
      on 22/9/16
     
  • Ashima Roy
     
     
    The difference of two numbers is 2. If the difference of their squares is 20, what is their sum ?
    (A) 20
    (B) 10
    (C) A number between 5 and 8
    (D) This value cannot be determined.


      9
     Views: 268
      on 22/9/16
     
  • Ashima Roy
     
     
    Solve: 2 $^{x + 1}$ = 8 $^x$
    (A) 1
    (B) 3
    (C) $-1/3$
    (D) $1/2$


      11
     Views: 296
      on 22/9/16
     
  • Ashima Roy
     
     
    10 + 10$^3$ = ____
    (A) 2.0 x 10$^3$
    (B) 8.0 x 10$^3$
    (C) 4.0 x 10$^1$
    (D) 1.01 x 10$^3$


      5
     Views: 182
      on 22/9/16
     
  • Tejas Shah
     
     
    The sum of two numbers is 15 and the difference of their squares is 15. The difference of the numbers is
    (A) 0
    (B) 1
    (C) 4
    (D) 6


      6
     Views: 406
      on 8/9/16
     
  • Tejas Shah
     
     
    A certain sum of simple interest becomes double in 20 years. In how many years will it become four times ?
    (A) 40 years
    (B) 50 years
    (C) 60 years
    (D) 80 years


      4
     Views: 213
      on 8/9/16
     
  • Tejas Shah
     
     
    The measure of an angle which is four times its supplement is
    (A) 30$°$
    (B) 36$°$
    (C) 150$°$
    (D) 144$°$


      5
     Views: 214
      on 8/9/16
     
  •  
     
    if a men get a purse and in it there are 10000 rupees and the men spends 9999 out of 10000 and. how much money will be left in the purse a . 1 rupees b . 1000 rupees c . nothing left in purse

      30
     Views: 342
      on 1/9/16
     
  • Aum Patil
     
     
    Non parallel sides are always equal.
    (A) Rectangle
    (B) Rhombus
    (C) Kite


      13
     Views: 400
      on 1/9/16
     
  • Aum Patil
     
     
    If my vertex angles become 90 degrees, I become a rectangle. Who am I now ?
    (A) Rectangle
    (B) Trapezium
    (C) Parallelogram
    (D) Square


      6
     Views: 220
      on 1/9/16
     
  • Aum Patil
     
     
    My diagonals always intersect at 90 degrees. I may be a _____ or a _____.
    (A) Rectangle or Rhombus
    (B) Rhombus or kite
    (C) Square or Rectangle
    (D) Parallelogram or Square


      9
     Views: 364
      on 1/9/16
     
  • Aum Patil
     
     
    A quadrilateral is _____ a polygon ?
    (A) always
    (B) sometimes
    (C) never


      17
     Views: 750
      on 1/9/16
     
  • Aum Patil
     
     
    What is the measure of each exterior angle in a regular decagon ? _____$°$
    (A) 30$°$
    (B) 45$°$
    (C) 36$°$
    (D) 60$°$


      9
     Views: 264
      on 1/9/16
     
  • Aum Patil
     
     
    What is the measure of each interior angle in a regular hexagon ? _____$°$
    (A) 60$°$
    (B) 120$°$
    (C) 45$°$
    (D) 90$°$


      0
     Views: 170
      No recent comment
     
  • Aum Patil
     
     
    What is the sum of the exterior angles in a nonagon ? _____$°$
    (A) 270$°$
    (B) 360$°$
    (C) 450$°$
    (D) 600$°$


      3
     Views: 183
      on 10/1/17
     
  • Aum Patil
     
     
    Quadrilaterals are ______ regular polygon.
    (A) always
    (B) never
    (C) sometimes


      0
     Views: 137
      No recent comment