IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 459 - 465 of 968
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Question 459
Question
MCQ▾If are the midpoints of the sides of , the area of the triangle is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 24 sq. units | |
b. | 50 sq. units | |
c. | 96 sq. units | |
d. | 48 sq. units |
Question 460
Question
MCQ▾The average of 10 results is 70. If the average of the first five results is 60 and that of the last five is 70, then the fifth result is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 20 | |
b. | 30 | |
c. | 40 | |
d. | 50 |
Question 461
Question
MCQ▾If are the vertices of a right angle triangle, right angle at P, then a is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 | |
b. | 4 | |
c. | 2 | |
d. | 1 |
Question 462
Question
MCQ▾One card is drawn from a well-shuffled deck of 52 cards the probability of the card drawn is a king or queen ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 463
Question
MCQ▾The mean of a data is ‘p’ . if each observation is multiplied by 3 and then 1 is added to each result, then the mean of the new observations so obtained is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 464
Question
MCQ▾The coordinates of the mid-points of the sides of a triangle are . What will be the coordinates of the centroid of the triangle?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 465
Question
MCQ▾A card is drawn from a packet of 100 cards numbered 50 to 150. The probability of drawing a number which is a square is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |