Olympiad Questions
Grade: 7
1. Solve for x. 3(2x-1)+25% of x =97
2. How many minutes are there in 1 ¾ hr ?
3. The letters written on paper slips of the word MATHEMATICS are put in a bag. If one slip is drawn randomly, what is the probability that it bears the letter M ?
4. (25% of 50% of 100%) ÷ (25 of 100 x 50% of 100 ) = -----
5. If 9 is added to four times a number, it becomes the same as 3 is subtracted from five times the same number. This fact can be represented as -----
6. Diameter of Earth is 12756000m. Few years ago, a new planet was discovered whose diameter is 5/43 of the diameter of Earth. Find the radius of this planet in km ?
7. Given below are heights of 15 girls of class 8 measured in cm : 128, 144, 146, 143, 136, 142, 138, 129, 140, 152, 144, 140, 150, 142, 154. Find the range of the given data, median height of the girls?
8. Sachin is younger than Rahul by 4 years. If their ages are in respective ratio of 7:9, then how old is Sachin ?
9. Two pens and three pencils cost Rs. 86. Four pens and a pencil cost Rs. 112. Find the cost of a pen and pencil respectively ?
10. A milkman buys milk at Rs 7, Rs 8, and Rs 8 per litre for three successive years. What approximately is the average cost per litre of milk if he spends Rs. 4000 each year ?
No comments:
Post a Comment