Olympiad Test: Achieves Section-1
15 Questions MCQ Test Mathematical Olympiad Class 8 | Olympiad Test: Achieves Section-1
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The area of the base of a cone is 180 cm2.If the height of the cone is 8 cm what is its volume?
Area of base = 180 cm2
The difference between the S.I. and C.I. on ₹ 2500 for 2 years at 20% when the compound interest is payable annually is
Umesh tossed a coin three times. What is the probability that Umesh gets more heads than tails?
Probability of getting 2 or 3 heads
If 28 men can do a piece of work in 65 days. How many men will do it in 35 days?
In 10 days earth picks up 2.6 × 108 kg of dust from the atmosphere. How much dusk will it pick up in 45 days?
One of the factor of 
is 
. What is the other factor ?
Two octagonal perfect dice with number 1 – 8 are thrown together. What is the probability that both the numbers are even ?
Total no. of outcomes = 8 × 8 = 64
Both numbers are even,
{(2, 2) (2, 6) (2, 8) (2, 4) (4, 2) (4, 4), (4, 6) (4, 8), (6, 2), (6, 4) (6, 6), (6, 8) (8, 2) (8, 4) (8, 6), (8, 8)}.
Required probability 
In what time will ₹ 64,000 amount to ₹ 68921 at 5% per annum if interest payable half yearly?
A mobile set is sold for ₹ 1498 and the seller gains 7% on it. What is its cost price?
Let cost price be ₹ x.
The sum of digits of a two-digit number is 9. If 9 is subtracted from the number, its digits are interchanged.
Q. What is the half of that number?
The curved surface area of the cylinder is 5940 cm2. If its height is 30 cm, what is the diameter of the base?
Curved surface area = 5940
A cuboid vessel is 20 cm long and 12 cm wide. How high must it be to bold 3 liters of water?
lbh = 3000
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