Q.1 |
What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3? |
a) | 1,49,700 |
b) | 1,52,897 |
c) | 1,64,749 |
d) | 1,64,850 |
Q.2 |
Students of a class are made to stand in rows. If 4 students are extra in each row, there would be 2 rows less. If 4 students are less in each row, there would be 4 more rows. Find the number of students in the class. |
a) |
94 |
b) | 96 |
c) | 90 |
d) | 92 |
Q.3 |
The sum of third and ninth term of an A.P is 8. Find the sum of the first 11 terms of the progression. |
a) |
44 |
b) | 22 |
c) | 18 |
d) | 42 |
Q.4 |
The area of a sector of a circle of radius 36 cm is 72π cm2. Find the length of the corresponding arc of the sector. |
a) |
2π cm |
b) | π cm |
c) | 4π cm |
d) | 3π cm |
Q.5 |
For what value of k, the equation x2 + 2(k - 4) x + 2k = 0 has equal roots? |
a) | 12 and 2 |
b) | 6 and 4 |
c) | 10 and 4 |
d) | 8 and 2 |
Q.6 |
The volume of a hollow cube is 216cm3. What surface area of the largest sphere which be enclosed in it? |
a) | 18π cm2 |
b) | 72π cm2 |
c) | 36π cm2 |
d) | 27π cm2 |
Q.7 |
What will come in place of the question mark (?) in the following number series? |
a) | 733 |
b) | 752 |
c) | 754 |
d) | 775 |
Q.8 |
A factory produces four different types of products, P, Q, R and S. The chances that a random piece of products P, Q, R and S is found to be defective are 20%, 30%, 5% and 10%, respectively. During an inspection, one piece of each product is randomly selected. What is the probability that exactly three of them are found to be defective? |
a) | 0.005 |
b) | 0.0057 |
c) | 0.0103 |
d) | 0.0124 |
Q.9 |
Find the odd term in the sequence: |
a) |
217 |
b) | 7 |
c) | 26 |
d) | 63 |
Q.10 |
The arc AB of the circle with centre at O and radius 10 cm has length 16 cm. What is the area of the sector bounded by the radii OA, OB and the arc AB? |
a) | 40 sq cm |
b) | 80 sq cm |
c) | 20π sq cm |
d) | 40π sq cm |
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Answers to Sample Questions from Olympiad Success:
Q.1 : d | Q.2 : b | Q.3 : a | Q.4 : c | Q.5 : d | Q.6 : c | Q.7 : a | Q.8 : c | Q.9 : a | Q.10 : b