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Questions in the Topic: Grade 7 - Math Olympiad
  • Kavya Sharma
     
     
    Vini has two pairs of pants, three T-shirts and two pairs of shoes. She wears a different outfit everyday. How many possible combinations can she wear ?
    (A) 12
    (B) 15
    (C) 8
    (D) 10


      4
     Views: 239
      on 12/1/17
     
  • Kavya Sharma
     
     
    Kunal scored 61 out of 100 in English, 93 out of 100 in Maths and 56 out of 100 in Science. Find out his overall % marks.
    (A) 60%
    (B) 70%
    (C) 75%
    (D) 80%


      2
     Views: 225
      on 12/1/17
     
  • Kavya Sharma
     
     
    Triangle PQR has sides PQ, QR and PR in the ratio of 4 : 3 : 6. PR is longer than PQ by 6 cm. The sum of the lengths of PR, QR and PQ is _____
    (A) 29 cm
    (B) 10 cm
    (C) 20 cm
    (D) 39 cm


      1
     Views: 200
      on 11/2/17
     
  • Neel Shah
     
     
    A horse is tied to one corner of a rectangular field, 60 m by 40 m, by a rope 14 m long. On how much area can the horse graze ?
    (A) 150 m$^2$
    (B) 154 m$^2$
    (C) 160 m$^2$
    (D) 165 m$^2$


      7
     Views: 268
      on 1/12/16
     
  • Neel Shah
     
     
    The height of an equilateral triangle is $√{6}$ cm long. Its area is _____
    (A) 3$√{3}$ cm$^2$
    (B) 2$√{3}$ cm$^2$
    (C) 2$√{2}$ cm$^2$
    (D) 6$√{2}$ cm$^2$


      0
     Views: 272
      No recent comment
     
  • Neel Shah
     
     
    The ratio of the radii of two hula-hoops is 3:4. What is the ratio of their circumference ?
    (A) 4:3
    (B) 1:4
    (C) 2:1
    (D) 3:4


      0
     Views: 216
      on 15/2/17
     
  • Neel Shah
     
     
    A circular piece of wire is converted into a square of side 6.25 cm. If there is no loss or gain in its length, then the radius of the circular wire is ______
    (A) 3.5 cm
    (B) 3.98 cm
    (C) 4.0 cm
    (D) 4.2 cm


      1
     Views: 247
      on 11/2/17
     
  • Neel Shah
     
     
    The length of a minute hand of a wall clock is 8.4 cm. Find the area swept by it in half an hour.
    (A) 100 cm$^2$
    (B) 110.88 cm$^2$
    (C) 120 cm$^2$
    (D) 130 cm$^2$


      0
     Views: 179
      No recent comment
     
  • Neel Shah
     
     
    One side of a parallelogram is 2.4 decametres and its area is 576 m$^2$ . The corresponding altitude is _____
    (A) 24 m
    (B) 24 cm
    (C) 24 dm
    (D) 24 decametre


      0
     Views: 137
      No recent comment
     
  • Neel Shah
     
     
    In a trapezium whose parallel sides measures 24 cm and 15 cm and the distance between them is 10 cm. Then the area of trapezium is ______
    (A) 215 cm$^2$
    (B) 205 cm$^2$
    (C) 195 cm$^2$
    (D) 295 cm$^2$


      0
     Views: 110
      No recent comment
     
  • Falgun Shah
     
     
    By what number should we multiply 4$^{-2}$ so that the product may be equal to 64 ?
    (A) 4$^5$
    (B) 2$^12$
    (C) 2$^6$
    (D) 2$^8$


      0
     Views: 125
      No recent comment
     
  • Falgun Shah
     
     
    If 3$^x$ = 500, then the value of 3$^{x - 2}$ is _______
    (A) $100/9$
    (B) $1000/9$
    (C) $500/9$
    (D) $500/3$


      0
     Views: 160
      No recent comment
     
  • Falgun Shah
     
     
    The number which is multiplied by (-8)$^{-1}$ to obtain a product equal to 10$^{-1}$ is _____
    (A) -$4/5$
    (B) -$3/5$
    (C) -$1/5$
    (D) - $5/4$


      0
     Views: 127
      No recent comment
     
  • Hemant Joshi
     
     
    What percent of 1 day is 36 minutes ?
    (A) 25%
    (B) 2.5%
    (C) 3.6%
    (D) 0.25%


      1
     Views: 179
      on 16/11/16
     
  • Hemant Joshi
     
     
    A dealer allows a discount of 10% and still gains 5%. What percent above the cost price must he mark his goods ?
    (A) 15%
    (B) 20%
    (C) 16$2/3$%
    (D) 50%


      1
     Views: 183
      on 16/11/16
     
  • Hemant Joshi
     
     
    What is 50% of a number whose 200% is 20 ?
    (A) 5
    (B) 10
    (C) 15
    (D) 20


      4
     Views: 225
      on 14/11/16
     
  • Hemant Joshi
     
     
    A man buys a radio for 600 rupees and sells it at a gain of 25%. He sold the radio for _____
    (A) 700 rupees
    (B) 750 rupees
    (C) 900 rupees
    (D) 1000 rupees


      1
     Views: 220
      on 14/11/16
     
  • Abishek
     
     
    72*9*9+9+9789+9+1234567890=? [* means x]

      3
     Views: 181
      on 11/11/16
     
  • Aum Patil
     
     
    The value of a$^b$ - b$^a$ , if a = 3 , b = 7 is _____
    (A) 1825
    (B) 1840
    (C) 1844
    (D) 1850


      3
     Views: 91
      on 24/10/16
     
  • Aum Patil
     
     
    The number which is multiplied by (-8)$^{-1}$ to obtain a product equal to 10$^{-1}$ is _____
    (A) - $4/5$
    (B) - $3/5$
    (C) - $1/5$
    (D) - $5/4$


      1
     Views: 83
      on 26/10/16
     
  • Aum Patil
     
     
    If $√{3^x}$ = 729 then x = ?
    (A) 3
    (B) 5
    (C) 6
    (D) 9


      2
     Views: 94
      on 24/10/16
     
  • Aum Patil
     
     
    If 8 $^{x - 1}$ = 2 $^{x + 3}$, then x is ____
    (A) 2
    (B) 4
    (C) 1
    (D) 3


      0
     Views: 102
      No recent comment
     
  • Ashima Roy
     
     
    The three angles of a triangle are in the ratio 1:2:1 , then the greatest angle is
    (A) 45$°$
    (B) 90$°$
    (C) 60$°$
    (D) 120$°$


      5
     Views: 137
      on 19/10/16
     
  • Ashima Roy
     
     
    If two sides of an isosceles triangle are 3 cm and 8 cm, then the length of the third side is _____
    (A) 2 cm
    (B) 8 cm
    (C) 2 cm
    (D) 1 cm


      1
     Views: 105
      on 22/10/16
     
  • Ashima Roy
     
     
    ABC is an isosceles triangle with AB = AC and AD is altitude, then ____
    (A) $∠$ B > $∠$ C
    (B) $∠$ B < $∠$ C
    (C) $∠$ B = $∠$ C
    (D) None of these


      1
     Views: 107
      on 22/10/16
     
  • Ashima Roy
     
     
    In a $∆$ ABC, which of the given condition holds ?
    (A) AB - BC > CA
    (B) AB + BC < CA
    (C) AB - BC < CA
    (D) AB + CA < BC


      1
     Views: 139
      on 22/10/16
     
  • Math Expert
     
     
    In a $∆$ ABC, if AB + BC = 10 cm, BC + CA = 12 cm, CA + AB = 16 cm, then the perimeter of the triangle is _____
    (A) 19 cm
    (B) 17 cm
    (C) 28 cm
    (D) 22 cm


      1
     Views: 118
      on 21/10/16
     
  • Aum Patil
     
     
    A circular piece of wire is converted into a square of side 6.25 cm. If there is no loss or gain in its length, then the radius of the circular wire is ____
    (A) 3.5 cm
    (B) 3.98 cm
    (C) 4.0 cm
    (D) 4.2 cm


      1
     Views: 146
      on 17/10/16
     
  • Aum Patil
     
     
    The length of a minute hand of a wall clock is 8.4 cm. Find the area swept by it in half an hour.
    (A) 100 cm$^2$
    (B) 110.88 cm$^2$
    (C) 120 cm$^2$
    (D) 130 cm$^2$


      1
     Views: 124
      on 17/10/16
     
  • Aum Patil
     
     
    One side of a parallelogram is 2.4 decametres and its area is 576 m$^2$ . The corresponding altitude is _____
    (A) 24m
    (B) 24 cm
    (C) 24 dm
    (D) 24 decametre


      1
     Views: 81
      on 17/10/16
     
  • Aum Patil
     
     
    In a trapezium whose parallel sides measure 24 cm and 15 cm and the distance between them is 10 cm. Then the area of trapezium is ____
    (A) 215 cm$^2$
    (B) 205 cm$^2$
    (C) 195 cm$^2$
    (D) 295 cm$^2$


      0
     Views: 71
      No recent comment
     
  • Falgun Shah
     
     
    If 2l - 3m = - 1 and lm = 20, then the value of 4l$^2$ + 9m$^2$ is _____
    (A) 239
    (B) 240
    (C) 241
    (D) 361


      1
     Views: 108
      on 15/10/16
     
  • Falgun Shah
     
     
    If x = 5 and y = x + 7 then, value of ${√{x^2 + y^2}}$
    (A) 65
    (B) 26
    (C) 17
    (D) 13


      1
     Views: 94
      on 16/10/16
     
  • Falgun Shah
     
     
    The value of x$^0$ = ____
    (A) x
    (B) 0
    (C) 1
    (D) None of these


      1
     Views: 151
      on 15/10/16
     
  • Falgun Shah
     
     
    If 4l$^2$ + (k + 10)lm + 25m$^2$ is a perfect square, then the value of k is _____
    (A) - 9
    (B) 10
    (C) 0
    (D) 5


      1
     Views: 116
      on 16/10/16
     
  • Falgun Shah
     
     
    The real factors of x$^4$ + 4 are ____
    (A) (x$^2$ + 4) (x$^2$ + 4)
    (B) (x$^2$ + 4) (x$^2$ - 4)
    (C) (x$^2$ - 2x - 2) (x$^2$ + 2x + 2)
    (D) Does not exist


      6
     Views: 104
      on 15/10/16
     
  • Ashima Roy
     
     
    What percent of 1 day is 36 minutes ?
    (A) 25%
    (B) 2.5%
    (C) 3.6%
    (D) 0.25%


      1
     Views: 138
      on 13/10/16
     
  • Ashima Roy
     
     
    A number A exceeds B by 25%. By what percentage is A more than B ?
    (A) 20%
    (B) 25%
    (C) 30%
    (D) 15%


      17
     Views: 118
      on 13/10/16
     
  • Ashima Roy
     
     
    The Cost Price(CP) of 25 articles is equal to the Selling Price(SP) of 20 articles. Then gain % is ____
    (A) 25%
    (B) 20%
    (C) 30%
    (D) 50%


      4
     Views: 106
      on 13/10/16
     
  • Ashima Roy
     
     
    By selling a jug for 144 rupees, a man loses $1/7$ of his outlay. If it is sold for 189 rupees, what is the gain percent ?
    (A) 50%
    (B) 25%
    (C) 30%
    (D) 12%


      0
     Views: 112
      No recent comment
     
  • Donald Perry
     
     
    The sides of a $∆$ ABC measure 6 cm, 8 cm and 10 cm. The area of the triangle is ____
    (A) 40 cm$^2$
    (B) 24 cm$^2$
    (C) 30 cm$^2$
    (D) None of these


      5
     Views: 111
      on 12/10/16
     
  • Donald Perry
     
     
    A contractor employed 210 men to build a house in 60 days. After 12 days, he was joined by 70 more men. In how many days will the remaining work be finished ?
    (A) 35 days
    (B) 36 days
    (C) 38 days
    (D) 40 days


      1
     Views: 117
      on 14/10/16
     
  • Donald Perry
     
     
    Two numbers are in the ratio of 1 : 2. If 7 be added to both, their ratio changes to 3 : 5. The greater number is ___
    (A) 28
    (B) 32
    (C) 36
    (D) 25


      0
     Views: 106
      No recent comment
     
  • Donald Perry
     
     
    When a number is reduced by 4, it becomes 80% of itself. Find the number.
    (A) 20
    (B) 30
    (C) 40
    (D) 50


      1
     Views: 112
      on 14/10/16
     
  • Donald Perry
     
     
    A man sold 10 eggs for 5 rupees and gained 20%. How many eggs did he buy for 5 rupees ?
    (A) 12
    (B) 14
    (C) 25
    (D) 16


      3
     Views: 103
      on 12/10/16
     
  • Aum Patil
     
     
    If two sides of an isosceles triangle are 3 cm and 8 cm, then the length of the third side is _____
    (A) 2 cm
    (B) 8 cm
    (C) 1 cm


      9
     Views: 214
      on 27/9/16
     
  • Aum Patil
     
     
    The supplement of an acute angle is _____ angle.
    (A) Acute
    (B) Obtuse
    (C) Right
    (D) A straight


      7
     Views: 146
      on 27/9/16
     
  • Aum Patil
     
     
    A student is constructing a triangle whose sides are 3 cm , 4 cm and 8 cm. Is this triangle possible ?
    (A) Yes
    (B) No
    (C) Can't say
    (D) Data given is not complete


      14
     Views: 165
      on 26/9/16
     
  • Aum Patil
     
     
    The number of independent measurements required to construct a triangle is _____
    (A) 3
    (B) 4
    (C) 2
    (D) 5


      8
     Views: 672
      on 27/9/16
     
  • Aum Patil
     
     
    A right-angled triangle has hypotenuse 13 cm, one side is 12 cm, then the third side is ____
    (A) 5 cm
    (B) 6 cm
    (C) 7 cm
    (D) 4 cm


      14
     Views: 142
      on 27/9/16
     
  • Manan Shah
     
     
    The sum of three even consecutive numbers is 78 .Then the greatest among them is ____
    (A) 20
    (B) 24
    (C) 28
    (D) 30


      37
     Views: 238
      on 23/9/16
     
  • Manan Shah
     
     
    If 14x + 4 = 46 then 15x + 5 = ?
    (A) 42
    (B) 45
    (C) 50
    (D) 75


      12
     Views: 118
      on 23/9/16
     
  • Manan Shah
     
     
    184 is divided into two parts such that one-third of one part may exceed one-seventh of the other part by 8, then the greater part is _____
    (A) 72
    (B) 110
    (C) 112
    (D) 114


      0
     Views: 122
      No recent comment
     
  • Manan Shah
     
     
    Find the value of x , the equation is 14(2x - 3) - 60x = 5(15 - 9x) ?
    (A) 9
    (B) 10
    (C) 11
    (D) 8


      5
     Views: 113
      on 23/9/16
     
  • Manan Shah
     
     
    The ages of A and B are in the ratio 5 : 3. After 6 years, their ages will be in the ratio 7 : 5. The sun of their present ages is ______
    (A) 9 years
    (B) 10 years
    (C) 15 years
    (D) 24 years


      0
     Views: 115
      No recent comment
     
  • Math Expert
     
     
    The number of independent measurements required to construct a triangle is _____
    (A) 3
    (B) 4
    (C) 2
    (D) 5


      2
     Views: 94
      on 6/9/16
     
  • Math Expert
     
     
    The angle between two hands of a clock at 4:30 pm is _____
    (A) 50
    (B) 45
    (C) 60
    (D) 90


      3
     Views: 87
      on 6/9/16
     
  • Math Expert
     
     
    The average of 11, 12, 13, 14 and x is 13. The value of x is _____
    (A) 10
    (B) 15
    (C) 16
    (D) 20