Quadratic Equations [IMO Level 1- Mathematics Olympiad (SOF) Class 10]: Questions 46 - 52 of 96
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Question 46
Question MCQ▾
The expression is divisible by . Then m is a divisor of ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 20 | |
b. | 40 | |
c. | 54 | |
d. | 45 |
Question 47
Question MCQ▾
The positive value of k for which the equations and will both have real roots, is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 4 | |
b. | 8 | |
c. | 16 | |
d. | 12 |
Question 48
Question MCQ▾
Solve the equation by using quadratic formula, then x is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 49
Question MCQ▾
If one roots of is twice the other root, then the value of ‘a’ is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | -20 | |
b. | 20 | |
c. | -15 | |
d. | 15 |
Question 50
Question MCQ▾
A convex polygon has 44 diagonals. The number of its sides is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 11 | |
b. | 10 | |
c. | 12 | |
d. | 13 |
Question 51
Question MCQ▾
In a bangle shop, if the shopkeeper displays the bangles in the form of a square then he is left with 38 bangles with him. If he wanted to increase the size of square by one unit each side of the square he found that 25 bangles fall short of in completing the square. The actual number of bangles which he had with him in the shop was ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 999 | |
b. | Can՚t be determined | |
c. | 538 | |
d. | 1690 |